
Painting over dark-coloured walls can be a challenge, especially when covering vibrant shades like crimson or fire engine red, which tend to bleed through subsequent layers. While it is possible to paint over dark red walls with dark blue paint, it is important to consider the preparation and primer required for a successful paint job. This guide will explore the steps to take when painting over dark red walls with dark blue paint, including the benefits of using a tinted primer and the number of coats needed for a flawless finish.
| Characteristics | Values |
|---|---|
| Is it possible to paint over dark red with dark blue? | Yes |
| Is primer needed? | Not necessarily. Primer is for adhesion problems, and changing colours from similar paints is not a problem. |
| Suggested primer | If you do use primer, a grey-tinted primer is recommended. |
| Number of coats | Two coats of paint should be enough. |
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What You'll Learn

Primer may not be necessary when painting over dark red with dark blue
Painting over dark red walls can be challenging, and red is often considered one of the most difficult colours to cover. This is because vibrant shades of red contain strong pigments that tend to bleed through subsequent layers, requiring multiple coats to achieve full coverage.
However, when painting over dark red with dark blue, a primer may not always be necessary. Primer is typically used to address adhesion issues, and when transitioning from one dark colour to another, adhesion may not be a significant concern. In fact, using a primer in this case could be counterproductive, as it may reduce the quality of the finish. A dark blue paint will likely cover a dark red wall more effectively than a medium blue primer would.
That being said, if the existing paint is semi-gloss, a primer may be beneficial. Adhesion could be a problem when painting over semi-gloss walls, and a primer designed for dark colours can help address this issue. Tinted primers can also be useful when transitioning from a dark colour to a lighter shade, as they enhance coverage and minimise the risk of the underlying colour showing through.
Ultimately, the decision to use a primer or not will depend on the specific circumstances, including the type of paint being used and the desired finish. Residential painting professionals can provide expert guidance on the best approach. While skipping the primer may save time and money in the short term, it is important to consider the potential long-term consequences, as taking shortcuts with dark paint colours can lead to an uneven finish and the need to repaint sooner.
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Using a primer can help cover dark red paint
Painting over a dark red wall with dark blue paint may seem like a straightforward task, but it can be challenging. Red paint, especially in darker shades, can be difficult to cover due to its strong pigments, which tend to bleed through subsequent layers. This can result in an uneven finish, with the previous colour showing through the new paint. To avoid this issue, using a primer is highly recommended.
Primers are designed to provide a uniform base for the paint to adhere to, improving coverage and reducing the number of topcoats required. When transitioning from a dark colour like red to a slightly lighter shade of dark blue, a tinted primer can be particularly effective. By selecting a primer with a colour that closely matches your final paint choice, you can enhance coverage and minimise the risk of the underlying red shade showing through.
While some sources suggest that a primer is not necessary when painting over dark red with dark blue, as the two colours are similar, others emphasise the benefits of using a primer to achieve a more professional and even finish. A grey-tinted primer, for instance, can effectively neutralise the red undertones and provide a better base for the dark blue paint. This prevents the new colour from appearing uneven or streaky, which is a common issue when painting over dark colours.
When choosing a primer, consider a deep-tint primer that can be custom-mixed to resemble your dark blue paint choice. This will not only improve coverage but also reduce the number of coats needed, saving you time, paint, and money. Additionally, ensure that you select a high-quality primer from reputable brands, as these tend to be denser and more effective at covering dark colours.
By following these suggestions and utilising a primer, you can successfully cover dark red paint with dark blue, achieving a flawless and opaque finish. Remember that careful preparation and forethought are key to a successful painting project, especially when dealing with challenging colour transitions.
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Dark blue paint options
Painting over dark red walls with dark blue is possible, but it may not be as easy as it seems. Dark blue paint with grey undertones, such as Sherwin Williams' Smoky Blue, can be a good option for colour-drenching a bedroom. If you're looking for a darker, muted shade of navy blue, Sherwin Williams' Salty Dog SW 9177 is a bold option for a kitchen or living room. For a deep shade of blue with a little more brightness, Sherwin Williams' Rainstorm SW 6230 has slate-grey undertones.
For a dark and inky navy blue, Stiffkey Blue by Farrow & Ball is a rich and deep shade that works well in traditional, modern, and coastal spaces. Farrow & Ball's Inchyra Blue is another dark and moody shade that leans towards dark teal in certain lights. If you're looking for a blue that's a little warmer, Benjamin Moore's Narragansett Green (also known as Navy Masterpiece) is a deep teal-blue that appears more green in direct light and blue in ambient light. For smaller, darker rooms, Van Deusen Blue by Benjamin Moore is a good option for a bold colour that won't shrink the space.
If you're looking for a dark blue with green undertones, be mindful that too much light can make it appear too teal. Conversely, a dark blue with little natural light may look more like a blue-black. To avoid this, consider a warm blue paint colour like Sherwin Williams' Niebla Azul SW 9137, a serene dusty blue that's perfect for bedrooms.
Before painting, it's important to consider whether a primer is needed. While some sources suggest that primer is unnecessary when painting over dark red with dark blue, others recommend using a tinted primer designed for dark colours to enhance coverage and minimise the risk of the underlying colour showing through.
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Washability of dark blue paint
Painting over dark red with dark blue is possible, and a primer is not necessary unless there is a problem with adhesion. However, one source mentions that a light sanding of the dark red paint before applying the dark blue paint can help with adhesion.
Regarding the washability of dark blue paint, it is important to consider the quality of the paint. Higher-quality paints, such as those with Genex technology, tend to have better washability. For example, the Regal® Select Waterborne Interior Paint by Benjamin Moore is a trusted brand that offers durability, reliability, and washability. It is known to withstand scuffs, mars, and burnishing from everyday wear and tear and has proprietary Stain Release Technology to easily clean stains and spills.
When choosing a dark blue paint, it is worth considering the space you are painting. Dark blue paint can have a calming effect and is a popular choice for bedrooms, bathrooms, and living areas. It pairs well with various color palettes, from warm tones like gold and brass to crisp whites and light neutrals.
However, in spaces like kitchens, where there may be more splashing and wet wiping of walls, the washability of the paint becomes a more critical factor. One source mentions that splashing water and wet wiping dark colors could leave a streaky finish, which would be more noticeable with blue than with red. Therefore, it is recommended to use a high-quality paint with good washability in these areas.
Additionally, the sheen or finish of the paint can also impact its washability. For example, a semi-gloss finish, like the one offered by the Regal® Select Waterborne Interior Paint, tends to be more durable and easier to clean than a flat or matte finish.
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Painting over dark colours
Painting over a dark colour with a lighter shade can be challenging, but it is possible. The key to success is in the preparation and the products used. Firstly, it is important to prepare the wall by filling any holes or cracks with caulk or spackle, then sanding the surface to create a good base for the paint to adhere to. Next, ensure the wall is clean by washing it with a mild soap solution and allowing it to dry thoroughly.
Once the wall is prepared, it is crucial to use a primer to prevent the dark base colour from bleeding into the new light paint. A white primer is typically recommended when painting a light colour over a dark one, as it provides a neutral base and prevents the darker shade from muting the new light colour. It is important to apply at least two coats of primer, allowing each coat to dry thoroughly before applying the next.
After the primer is dry, it is time to select the right paint. Choose a high-quality paint with excellent coverage to minimise the number of coats required. When painting a light colour over a dark wall, it is advisable to apply several thin layers rather than one thick coat. This allows for better drying and a more even application. It is important to be patient and allow each coat to dry completely before adding the next, to ensure an opaque finish.
Additionally, it is recommended to use a roller with a suitable nap length for the wall texture. For a lightly textured wall, a roller with a nap length of approximately 3/8 inch is suitable, while a 1/2-inch nap can be used for a slightly more textured wall, and a 3/4-inch nap for a highly textured surface. When using a roller, work in wide 'M' or 'W' shapes to ensure even coverage and mark which spots need to be filled in.
By following these steps and allowing sufficient time for each layer to dry, it is possible to successfully paint over a dark colour with a lighter shade, creating a beautiful new look for your space.
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Frequently asked questions
Yes, it is possible to paint over dark red with dark blue. However, it is important to note that painting over dark colours, especially red, can be challenging.
It is generally recommended to use a primer when painting over dark colours or bright colours. A primer will increase durability and promote better adhesion, making it easier to cover the dark red paint. You can also tint your primer with a grey colour to reduce the number of coats needed.
When choosing a primer, consider the type of paint you will use for your topcoat. This will determine whether you need an oil-based or water-based primer. You can also use a tinted primer that matches your final topcoat colour, which can enhance coverage and minimise the risk of the underlying colour showing through.
When painting over dark red, it is important to use high-quality paint to ensure full coverage. Consider using paint brands that are known for their coverage and washability, such as BM Genex or Valspar Signature. Additionally, proper preparation and multiple coats of paint may be necessary to achieve a flawless finish.











































