Match Cook's Blue

Farrow & Ball Cook's Blue is a mid-tone shade, cool in character with an LRV of 25. The matches below are the closest equivalents available across every brand on Pontata, ranked by ΔE — a perceptual color difference score. A ΔE under 3 is subtle; under 10 is noticeable but harmonious; above 25 means genuinely different colors.

View full Cook's Blue color page →
Cook's Blue
Farrow & Ball
Cook's Blue
237#6a90b4LRV 25Cool

Closest matches across every brand

One match per brand, ranked by ΔE — a perceptual color difference score calculated from Lab color space values. Lower is closer. Click any card to compare side by side in simulated rooms.

Cook's Blue
Cook's Blue
RAL 610-3
RAL 610-3
Cook's Blue vs RAL 610-3
Farrow & Ball
Cook's Blue
237 · LRV 25
RAL EffectEffect
RAL 610-3
RAL 610-3 · LRV 27

With LRVs of 27 and 25, the two reflect almost the same amount of light. At ΔE 1.9 you'd need them side by side to tell them apart.

Compare ↔ΔE 1.9Subtle
Blue Dragon
Cook's Blue
Cook's Blue
Blue Dragon vs Cook's Blue
Benjamin Moore
Blue Dragon
810 · LRV 28
Farrow & Ball
Cook's Blue
237 · LRV 25

Their light reflectance is nearly identical (LRV 28 vs 25), so neither reads brighter in a room. A ΔE of 2.0 means the difference barely reads in a finished room.

Compare ↔ΔE 2.0Subtle
Cook's Blue
Cook's Blue
Lobelia
Cook's Blue vs Lobelia
Farrow & Ball
Cook's Blue
237 · LRV 25
Sherwin-Williams
Lobelia
6809 · LRV 30

Lobelia reads slightly lighter (LRV 30 vs 25), a gap that shows most in low-lit rooms. At ΔE 3.4 they're clearly different, yet close enough to share a room.

Compare ↔ΔE 3.4Noticeable
Heavenly Sky
Heavenly Sky
Cook's Blue
Cook's Blue
Heavenly Sky vs Cook's Blue
Cloverdale Paint
Heavenly Sky
0618 · LRV 28
Farrow & Ball
Cook's Blue
237 · LRV 25

Their light reflectance is nearly identical (LRV 28 vs 25), so neither reads brighter in a room. The ΔE 4.4 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 4.4Noticeable
Cook's Blue
Cook's Blue
Blue Promise
Cook's Blue vs Blue Promise
Farrow & Ball
Cook's Blue
237 · LRV 25
PPG
Blue Promise
PPG1161-4 · LRV 33

A 8-point LRV gap (33 vs 25) makes Blue Promise the marginally brighter of the two. The ΔE 4.6 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 4.6Noticeable
Washed Denim
Cook's Blue
Cook's Blue
Washed Denim vs Cook's Blue
Behr
Washed Denim
M530-4 · LRV 32
Farrow & Ball
Cook's Blue
237 · LRV 25

A 7-point LRV gap (32 vs 25) makes Washed Denim the marginally brighter of the two. The ΔE 6.4 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 6.4Noticeable
Cook's Blue
Cook's Blue
Tivoli
Cook's Blue vs Tivoli
Farrow & Ball
Cook's Blue
237 · LRV 25
Little Greene
Tivoli
206 · LRV 24

With LRVs of 25 and 24, the two reflect almost the same amount of light. At ΔE 6.9 they're clearly different, yet close enough to share a room.

Compare ↔ΔE 6.9Noticeable
Cook's Blue
Cook's Blue
Pastel blue
Pastel blue
Cook's Blue vs Pastel blue
Farrow & Ball
Cook's Blue
237 · LRV 25
RAL ClassicClassic
Pastel blue
RAL 5024 · LRV 29

Pastel blue reads slightly lighter (LRV 29 vs 25), a gap that shows most in low-lit rooms. At ΔE 8.0 they're clearly different, yet close enough to share a room.

Compare ↔ΔE 8.0Noticeable
Cook's Blue
Cook's Blue
K431
Cook's Blue vs K431
Farrow & Ball
Cook's Blue
237 · LRV 25
Tikkurila
K431
K431 · LRV 18

A 8-point LRV gap (25 vs 18) makes Cook's Blue the marginally brighter of the two. The ΔE 8.8 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 8.8Noticeable
Delicate Cornflower
Delicate Cornflower
Cook's Blue
Cook's Blue
Delicate Cornflower vs Cook's Blue
Dulux
Delicate Cornflower
25BB 32/310 · LRV 32
Farrow & Ball
Cook's Blue
237 · LRV 25

A 7-point LRV gap (32 vs 25) makes Delicate Cornflower the marginally brighter of the two. The ΔE 9.4 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 9.4Noticeable
Cook's Blue
Stone Blue
Cook's Blue
Stone Blue
Farrow & Ball
Cook's Blue
237 · LRV 25
Farrow & Ball
Stone Blue
86 · LRV 28

With LRVs of 28 and 25, the two reflect almost the same amount of light. At ΔE 15.1 these are two genuinely different directions, not variations on a theme.

Compare ↔ΔE 15.1Distinct
Cook's Blue
Cook's Blue
Evening Light
Evening Light
Cook's Blue vs Evening Light
Farrow & Ball
Cook's Blue
237 · LRV 25
Jotun
Evening Light
4618 · LRV 22

A 3-point LRV gap (25 vs 22) makes Cook's Blue the marginally brighter of the two. A ΔE of 17.2 puts them firmly in different territory — a strong contrast if combined.

Compare ↔ΔE 17.2Distinct
Cook's Blue
Cook's Blue
S 3010-R80B
S 3010-R80B
Cook's Blue vs S 3010-R80B
Farrow & Ball
Cook's Blue
237 · LRV 25
NCS
S 3010-R80B
S 3010-R80B · LRV 36

A 11-point LRV gap (36 vs 25) makes S 3010-R80B the marginally brighter of the two. A ΔE of 17.6 puts them firmly in different territory — a strong contrast if combined.

Compare ↔ΔE 17.6Distinct
Cook's Blue
Cook's Blue
Passageway
Passageway
Cook's Blue vs Passageway
Farrow & Ball
Cook's Blue
237 · LRV 25
Valspar
Passageway
V137-6 · LRV 14

Cook's Blue reads slightly lighter (LRV 25 vs 14), a gap that shows most in low-lit rooms. At ΔE 20.1 these are two genuinely different directions, not variations on a theme.

Compare ↔ΔE 20.1Distinct