Farrow and Ball Cook's Blue

Farrow and Ball Cook's Blue 237 paint color review

Let’s dive into a full Cook's Blue paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful 237. Find out if this gorgeous cold blue paint color would look great on your living room walls or trims, kitchen cabinet, bedroom accent wall, bathroom or house exterior.

Official color page:Cook's Blue 237
Color code:237
Color name:Cook's Blue
Brand:Farrow and Ball

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LRV of Cook's Blue

Cook's Blue 237 has an LRV of 25.1% and refers to Medium colors that reflect a lot of light

Color paint LRV values

Light Reflectance Value measures the amount of visible and usable light that reflects from a painted surface.
Simply put, the higher LRV of paint color, the brighter room you will get.
Scale goes from 0% (absolute black, absorbing all light) to 100% (pure white, reflecting 100% of all light).

Act like a pro: Choosing paint with LRV of 25.10% be attentive to your bulbs light Brightness.Light Brightness – measured in lumens. The lower LRV of paint you have, the higher lumen level you need. Every square feet of room needs at least 40 lumens. That means for a 200 square feet living room you’ll need 8000 lumens of light. To achieve that brightness, you would require a total of 8 bulbs, 1000lm each.

What are Farrow and Ball Cook's Blue undertones?

Blue is Farrow and Ball Cook's Blue undertone color, as you can clearly see on the color field below. To determine this undertone we’ve removed all the tints, tones, shades and get HUE (pure color). Seems that undertone definition on a white sheet is already outdated and rather inaccurate


HEX value

HEX value:


RGB code:

106, 144, 180

Is Farrow and Ball Cook's Blue 237 cool or warm?

warm colors
Color wheel
cool colors

With a hue of 209° this Blue refers 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 a percentage value. 0% is a shade of grey, and 100% is the full color.
Lightness is also a percentage value. 0% is black, and 100% is white.

  • Cool Blue shades make a room feel sleek, fresh and modern
  • Cooler hues have a calm and relaxation effect
  • Cool Blue undertones make small spaces feel more open and expansive
  • Cool paint hue are ideal for bedroom or bathroom. Be careful with deep blues and greens in bathroom, which will reflect on your skin.

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.

Coordinating colors.
Colors that go with Farrow and Ball Cook's Blue:

Complementary color scheme

Complementary color scheme

This color scheme is a combination of two colors that are opposite each other on the color wheel. The high contrast between these colors creates a vibrant and dynamic visual effect.

Color comparison

Cook's Blue 237 vs Stone Blue 86

Can't decide between these gorgeous hues? We've got you covered with a comparison.

Farrow and Ball Cook's Blue 237 vs Farrow and Ball Stone Blue 86Farrow and Ball Cook's Blue 237
LRV: 25.1%
Medium color
Temperature: cold
LRV: 25.1%
Medium color
Temperature: cold

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.

HEX#6a90b4copy color code
RGB Decimal106, 144, 180copy color code
RGB Percent41.57%, 56.47%, 70.59%copy color code
HSVHue: 209° Saturation: 41.11% Value: 70.59%copy color code
HSLhsl(209, 33, 56)copy color code
CMYKCyan: 41.11 Magenta: 20.0 Yellow: 0.0 Key: 29.41copy color code
YIQY: 136.742 I: -34.213 Q: 3.165copy color code
XYZX: 24.152 Y: 26.304 Z: 46.972copy color code
CIE LabL:58.325 a:-3.671 b:-22.974copy color code
CIE LuvL:58.325 u:-19.117 v:-34.356copy color code
Decimal6983860copy color code
Hunter lab51.288, -5.696, -18.4copy color code
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