Cook's Blue 237 is a blue paint color from Farrow & Ball. It has a hex value of #6A90B4, estimated LRV 26 and a neutral undertone. Its closest cross-brand match is Heavenly Sky from Hirshfield's (nearly identical), with 49 more equivalents across other brands.
Farrow & Ball · #6A90B4 · 237
Cook's Blue
26%Estimated LRV
NeutralUndertone
Cook's Blue Technical Profile
HEX Code#6A90B4
RGB106, 144, 180
Estimated LRV26.3
UndertoneNeutral
Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.
Color Familyblue
BrandFarrow & Ball
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Compare alternatives to Cook's Blue
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Heavenly Sky
Hirshfield's
#6B90B3
Close digital match
Genteel Blue
Dunn-Edwards
#698EB3
Close digital match
Postcard Perfect
Vista Paint
#6E91B3
Close digital match
Mariner's
Benjamin Moore
#6C8EB4
Close digital match
Mysteria
Behr
#6791B2
Close digital match
Scanda
Sherwin-Williams
#6B8CA9
Similar digital color
Blue Jay Blue
Dutch Boy
#6B8CA9
Similar digital color
Splendid Blue
Valspar
#7795B3
Similar digital color
Gingham Blue
PPG
#7796B8
Similar digital color
Just Chill
Kilz
#6888AC
Similar digital color
Seeing a close call? Order a peel-and-stick sample of Cook's Blue — or sample it next to its top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Generated palette previews
Colors That Work With Cook's Blue
These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Cook's Blue
#6A90B4
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#8585AD
Trim & Molding
Digital white
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Cook's Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Cook's Blue Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar Farrow & Ball Colors
Other Farrow & Ball colors close to Cook's Blue.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Cook's Blue — Frequently Asked Questions
What undertone does Cook's Blue have?
Cook's Blue by Farrow & Ball has a neutral undertone and sits in the blue color family. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Cook's Blue from other brands?
The closest cross-brand equivalents to Cook's Blue are Heavenly Sky by Hirshfield's (a close digital match), Genteel Blue by Dunn-Edwards (a close digital match), Postcard Perfect by Vista Paint (a close digital match) — the best options for getting Cook's Blue's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Cook's Blue?
Cook's Blue has a estimated lightness value of 26.3, on a scale where 0 is pure black and 100 is pure white — that makes it a mid-depth color with real presence — strong on accent walls, libraries, and rooms with good natural light.
Explore More with Cook's Blue
Related Reading
How to Match Paint Colors Across Brands
The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.
Understanding Paint Color Undertones
Why Cook's Blue's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.