Cook's Blue
No. 237 · Farrow & Ball
Cook's Blue No. 237 as a flat swatch, not a painted room
Farrow & Ball
Cook's Blue
No. 237
Clear blue, a cool color
- Color family
- Blue
- Sold for
- Interior and exterior
Farrow & Ball Cook's Blue No. 237 is a medium blue paint color, a clear color rather than a neutral, with an estimated LRV of 26, a medium depth that absorbs more light than it reflects.
Source: Farrow & Ball's color data. LRV is estimated from the published RGB swatch. Undertone labels describe our calculation, not the paint formula or a test in your room. How we assess colors.
Is Cook's Blue warm or cool? Undertones by the numbers
leans blue
Undertone
Clear blue
A clear color, not a neutral.
Try Cook's Blue on your own walls
Upload a photo of your room, or the outside of your house, and TryMyHome renders Cook's Blue onto the walls for an illustrative preview beside your floors and furniture. Confirm the color with a physical sample. Your first 3 renders are free.
Get a sample before you paint
Use the visualizer to narrow your shortlist, then confirm the finalist on your actual wall. A peel-and-stick sample of Cook's Blue, checked in morning and evening light, is the last step before a gallon.
- Made with real paint
- Delivered next day
- Peels off clean

Trim, ceiling and coordinating colors for Cook's Blue
Colors similar to Cook's Blue
Closest matches for Cook's Blue in other brands
These are the closest digital colors in our catalog, not equivalent paint formulas or touch-up substitutes. Compare physical samples in the same finish before choosing. See the comparison method.