ColorplanUltra Marine Blue
No.W29 · Farrow & Ball
LRV 18 · dark
0 black100 white
Farrow & Ball Ultra Marine Blue (No.W29) is a very dark blue with a cool blue undertone and an LRV of 18. Closest matches: Benjamin Moore Nile Blue (CSP-560). For trim, try Sizing (No.314).
Room Preview
This photo shows walls only. Photos show the color in a real room's light; your own light will change it.
Suggested trim and ceiling are Farrow & Ball whites that share this color's undertone.
Color Details
| Family | Blue |
| LRV | 17.6 (dark; 0 = black, 100 = pure white) |
| HEX | #57779B |
| RGB | 87, 119, 155 |
| HSL | 212°, 28%, 47% |
About Ultra Marine Blue
Ultra Marine Blue (No.W29) is a very dark, medium-strength blue from Farrow & Ball. With an LRV of 18, Ultra Marine Blue absorbs most light. It creates a dramatic, enveloping look and suits accent walls, cabinetry and well-lit rooms.
North-facing light makes Ultra Marine Blue read cooler and slightly darker, while warm south-facing light softens it. It's a good fit for bedrooms, offices, kitchen islands and cabinets and accent walls. Next to Pitch Blue (No.220), it's lighter and cooler.
How Ultra Marine Blue changes with the light
Ultra Marine Blue has a cool undertone. North light will push it cooler and grayer, while south and west light warm it up. If your room faces north, look at it next to a warm white trim.
North-facing rooms
Ultra Marine Blue has a cool undertone that north light will push cooler and grayer; warm white trim helps balance it.
East-facing rooms
Ultra Marine Blue will look warmer and brighter in the morning and cooler and grayer by afternoon; check a sample at both times.
South-facing rooms
Bright south light shows Ultra Marine Blue close to its true color, slightly lighter and warmer.
West-facing rooms
Ultra Marine Blue looks cool in the morning and warms up in the golden late-afternoon light.
See Ultra Marine Blue in real homes
Photos people have shared of Ultra Marine Blue in their own rooms. Opens Instagram or Pinterest in a new tab.
Ultra Marine Blue equivalents in other brands
The closest color from each brand. ΔE (“delta E”) scores how different two colors look: under 2.5 is very hard to tell apart on a wall, over 5 is clearly different.
Benjamin Moore
Close · ΔE 2.6
Also close: Winter's Eve (ΔE 4.3)
Compare side by side →Sherwin-Williams
Closest available · ΔE 7.3
Also close: Smoky Blue (ΔE 9.9)
Compare side by side →Behr
Closest available · ΔE 10.2
Also close: Adirondack Blue (ΔE 11.0)
Compare side by side →Similar Farrow & Ball colors
Ultra Marine Blue questions
What undertone does Ultra Marine Blue have?
Ultra Marine Blue has a cool blue undertone, so it reads as a cool color. North-facing light makes Ultra Marine Blue read cooler and slightly darker, while warm south-facing light softens it.
Is Ultra Marine Blue a light or dark color?
Ultra Marine Blue has a light reflectance value (LRV) of 17.6 on a scale where 0 is black and 100 is pure white, which makes it a very dark color. With an LRV of 18, Ultra Marine Blue absorbs most light. It creates a dramatic, enveloping look and suits accent walls, cabinetry and well-lit rooms.
What is the closest match to Ultra Marine Blue in other paint brands?
Benjamin Moore: Nile Blue CSP-560 (close, ΔE 2.6); Sherwin-Williams: Distance SW 6243 (closest available, ΔE 7.3); Behr: Blueprint S470-5 (closest available, ΔE 10.2). Matches are calculated with the CIEDE2000 color difference formula; always check a physical sample before buying.
What trim and ceiling color goes with Ultra Marine Blue?
Try Sizing (No.314) on trim and Wevet (No.273) on the ceiling. Both are Farrow & Ball whites that share Ultra Marine Blue's undertone.
Where does Ultra Marine Blue work best?
Ultra Marine Blue works well in bedrooms, offices, kitchen islands and cabinets and accent walls. With an LRV of 18, Ultra Marine Blue absorbs most light. It creates a dramatic, enveloping look and suits accent walls, cabinetry and well-lit rooms.
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