Benjamin Moore Washington Blue (CW-630) is a very dark blue with a cool blue undertone and an LRV of 6. Closest matches: Sherwin-Williams Gale Force (SW 7605), Farrow & Ball Hague Blue (No.30) and Behr Very Navy (M500-7). For trim, try Lily White (2128-70).
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 Benjamin Moore whites that share this color's undertone.
Color Details
| Family | Blue |
| LRV | 5.7 (dark; 0 = black, 100 = pure white) |
| HEX | #304656 |
| RGB | 48, 70, 86 |
| HSL | 205°, 28%, 26% |
About Washington Blue
Washington Blue (CW-630) is a very dark, muted blue from Benjamin Moore. With an LRV of 6, Washington Blue absorbs most light. It creates a dramatic, enveloping look and suits accent walls, cabinetry and well-lit rooms.
North-facing light makes Washington Blue read cooler and slightly darker, while warm south-facing light softens it. It's a good fit for accent walls, front doors, cabinetry and powder rooms. It's very close to Gentleman's Gray (2062-20); you'd mostly see the difference side by side.
How Washington Blue changes with the light
Washington Blue is a deep color. In north-facing or dim rooms it reads darker and cozier; in south-facing rooms it shows more of its color. Either can work, depending on the mood you want.
North-facing rooms
Washington Blue will read even deeper in north light: great for a cozy, enveloping room, less so if you want it bright.
East-facing rooms
Washington Blue will look warmer and brighter in the morning and cooler and grayer by afternoon; check a sample at both times.
South-facing rooms
South light keeps Washington Blue from feeling heavy, so deep colors work well here.
West-facing rooms
Washington Blue looks cool in the morning and warms up in the golden late-afternoon light.
See Washington Blue in real homes
Photos people have shared of Washington Blue in their own rooms. Opens Instagram or Pinterest in a new tab.
Washington 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.
Similar Benjamin Moore colors
Washington Blue questions
What undertone does Washington Blue have?
Washington Blue has a cool blue undertone, so it reads as a cool color. North-facing light makes Washington Blue read cooler and slightly darker, while warm south-facing light softens it.
Is Washington Blue a light or dark color?
Washington Blue has a light reflectance value (LRV) of 5.7 on a scale where 0 is black and 100 is pure white, which makes it a very dark color. With an LRV of 6, Washington 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 Washington Blue in other paint brands?
Sherwin-Williams: Gale Force SW 7605 (close, ΔE 3.3); Farrow & Ball: Hague Blue No.30 (close, ΔE 4.1); Behr: Very Navy M500-7 (close, ΔE 3.5). Matches are calculated with the CIEDE2000 color difference formula; always check a physical sample before buying.
What trim and ceiling color goes with Washington Blue?
Try Lily White (2128-70) on trim and Wedding Veil (2125-70) on the ceiling. Both are Benjamin Moore whites that share Washington Blue's undertone.
Where does Washington Blue work best?
Washington Blue works well in accent walls, front doors, cabinetry and powder rooms. With an LRV of 6, Washington Blue absorbs most light. It creates a dramatic, enveloping look and suits accent walls, cabinetry and well-lit rooms.
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