Farrow and Ball Cook's Blue 237
| Official page: | Cook's Blue 237 |
| Code: | 237 |
| Name: | Cook's Blue |
| Brand: | Farrow and Ball |
What color is Farrow and Ball Cook's Blue?
Step into a world of sophistication and tranquility with Farrow and Ball's Cook's Blue (237). This deep and rich hue evokes a sense of calm and elegance, making it perfect for creating a serene atmosphere in bedrooms or home offices. The timeless appeal of Cook's Blue (237) lends itself well to traditional interiors, adding a touch of refined charm to living rooms and dining rooms. Pair it with crisp white accents for a fresh and modern look, or with warm wood tones for a cozy and inviting feel. Let Cook's Blue (237) transform your space into a sanctuary of style and comfort.
Cook's Blue for bedroom
We’ve hand-picked a beautiful collection of photos of this amazing Beige shade used in real bedrooms. Take a look and imagine how this wonderful cool Mid-tone paint color could transform your own bedroom space.
Cook's Blue for living room
Check out this stunning Mid-tone color used in real living rooms. Explore how this Blue shade can create a unique space
Farrow and Ball 237 for bathroom
Looking for inspiration for your dream bathroom renovation project? These beautiful handpicked photos will show you this delightfully cool Mid-tone real bathrooms.
Farrow and Ball 237 on kitchen cabinets
Want a stylish kitchen? View real-life photo examples of this fascinating cool hue is paired with backsplashes, countertops, and hardware.
Cook's Blue for exterior
Looking for a fresh new look for your house exterior or starting from skretch? We’ve collected pictures of real-life homes that have been painted with this cool hue. Find inspiration for your house’s exterior, front doors, gates, shutters, frames or windows.
Farrow and Ball Cook's Blue reviews
View the photos of real spaces painted with this that were not included in specific categories.Close-ups, painted furniture, storages and dressers, hallways, stairs and ceilings.
Try before you buy

100% accurate
reusable paint samples
Peel, stick,
and repeat
Twice painted
with real paint
Next day
delivery
What are Farrow and Ball Cook's Blue undertones?
The undertone of Cook's Blue can be accurately described as a Blue hue, as is apparent from the color space provided. By isolating the pure hue and eliminating any tints, tones, and shades, we were able to precisely determine its undertone. This approach has proven to be more accurate than traditional methods of defining undertones on a white background, which are now considered outdated.
HEX value
HEX value:
#6A90B4
RGB code:
106, 144, 180
Is Farrow and Ball Cook's Blue 237 cool or warm?
With a hue of 209° thisBluerefers cool paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.
237 Cook's Blue HSL code: 209, 33%, 56%
Hue - degree on a color wheel from 0 to 360. 0 is red, 120 is green, and 240 is blue.
Saturation is expressed as a percentage. At 0%, it appears as a shade of grey, and at 100%, it is in full color..
Lightness is also a percentage value. 0% is black, and 100% is white.
- Cooler hues have a calm and relaxation effect
- Cool blue shades make a room feel sleek, fresh, and modern, perfect for bedrooms, bathrooms, and home offices where a sense of calm and sophistication is desired.
- Using mid-tone cool colors like soft greys and muted blues can help create a calming and modern look in rooms like home offices, bathrooms, and bedrooms. But avoid using these shades in rooms without natural light, as they may look dull.
Act like a pro: Mixing warm and cool shades is a must have to get harmonius interior. Add accents that contrast with the primary color to create visual balance. If your walls are a warm color, don’t forget to add accent in cold colors (furniture, art, décor). A good practice is too use a complementary color scheme.
How light temperature affects Cook's Blue
Natural Lighting. During the day, natural light shifts from about 2000 K at sunrise/sunset to 5500–6500 K at noon.
In addition, natural‑light temperature depends on its direction:
| Direction of sunlight | Visible temp. | Hue | Duration |
|---|---|---|---|
| North | Cool | Bluish | All day |
| East | Warm | Yellow | Before noon |
| West | Warm | Orange‑red | After noon |
| South | Warm | Orange‑yellow | All day |
Artificial Lighting. When choosing bulbs, pay attention to their color‑temperature (Kelvins).
Use the slider to see how this Blue shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Farrow and Ball Cook's Blue:
Monochromatic color scheme
This scheme consists of various shades, tints, and tones of a single color. While it offers a perfect combination of hues, without accent décor it may become monotonous.
Lighter shades
237
Cook's Blue
Complementary color scheme
This color scheme is a combination of two shades that are opposite each other on the color wheel. The high contrast between these colors creates a vibrant and dynamic visual effect. For the color Cook's Blue with a green hue, complementary colors are those with a red hue close to 29, such as Farrow and Ball Dove Tale and Reduced Green.
LRV of Cook's Blue
Cook's Blue has an LRV of 25.1% and refers to Medium colors that reflect a lot of light. Why LRV is important?
Light Reflectance Value measures the amount of visible and usable light that reflects from a painted surface.
Simply put, the higher the LRV of a paint color, the brighter the room you will get.
The scale goes from 0% (absolute black, absorbing all light) to 100% (pure white, reflecting all light).
Act like a pro: When choosing paint with an LRV of 25.1%, pay attention to your bulbs' brightness. Light brightness is measured in lumens. The lower the paint's LRV, the higher lumen level you need. Every square foot of room needs at least 40 lumens. That means for a 200 ft2 living room you’ll need about 8000 lumens of light – e.g., eight 1000 lm bulbs.
Color codes
We have collected almost every possible color code you could ever need. To copy the code, just click the icon to the right of it.
| Format | Code | |
|---|---|---|
| HEX | #6a90b4 | |
| RGB Decimal | 106, 144, 180 | |
| RGB Percent | 41.57%, 56.47%, 70.59% | |
| HSV | Hue: 209° Saturation: 41.11% Value: 70.59% | |
| HSL | hsl(209, 33, 56) | |
| CMYK | Cyan: 41.11 Magenta: 20.0 Yellow: 0.0 Key: 29.41 | |
| YIQ | Y: 136.742 I: -34.213 Q: 3.165 | |
| XYZ | X: 24.152 Y: 26.304 Z: 46.972 | |
| CIE Lab | L:58.325 a:-3.671 b:-22.974 | |
| CIE Luv | L:58.325 u:-19.117 v:-34.356 | |
| Decimal | 6983860 | |
| Hunter Lab | 51.288, -5.696, -18.4 |
Color equivalents
30BB 27/236
Atlantic Surf 3
Dulux
Sapphire Springs 5
Dulux
Sea Blue
Dulux
Mystic Mauve 2
Dulux
Amazon Beat 3
Dulux
Violet Kiss
Dulux
33BB 32/308
Blue Seduction 2
Dulux
25BB 32/310
Delicate Cornflower
Dulux

Fallen Wildflower
Dulux
206
Tivoli
Little Greene

10BB 32/262
Venetian Crystal 5
Dulux
58BB 33/270
Fragrant Cloud 2
Dulux
RAL 5024
Pastel blue
RAL Classic








































