ColorplanBenjamin Moore Ash Blue (2057-40) is a deep blue with a cool blue-green undertone and an LRV of 28. For trim, try Sweet Bluette (813).
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 | 28.4 (dark; 0 = black, 100 = pure white) |
| HEX | #4D9CAE |
| RGB | 77, 156, 174 |
| HSL | 191°, 39%, 49% |
About Ash Blue
Ash Blue (2057-40) is a deep, medium-strength blue from Benjamin Moore that leans green. With an LRV of 28, Ash Blue absorbs more light than it reflects, so it works best in rooms with good natural light or where you want a cozier feel.
North-facing light makes Ash 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 Blue Toile (748), it's cooler.
How Ash Blue changes with the light
Ash 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
Ash Blue has a cool undertone that north light will push cooler and grayer; warm white trim helps balance it.
East-facing rooms
Ash 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 Ash Blue close to its true color, slightly lighter and warmer.
West-facing rooms
Ash Blue looks cool in the morning and warms up in the golden late-afternoon light.
See Ash Blue in real homes
Photos people have shared of Ash Blue in their own rooms. Opens Instagram or Pinterest in a new tab.
Ash 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.
Sherwin-Williams
Closest available · ΔE 12.1
Also close: Daphne (ΔE 12.5)
Compare side by side →Farrow & Ball
Closest available · ΔE 7.2
Also close: Chinese Blue (ΔE 7.4)
Compare side by side →Behr
Closest available · ΔE 10.7
Also close: Blueprint (ΔE 10.9)
Compare side by side →Similar Benjamin Moore colors
Ash Blue questions
What undertone does Ash Blue have?
Ash Blue has a cool blue-green undertone, so it reads as a cool color. North-facing light makes Ash Blue read cooler and slightly darker, while warm south-facing light softens it.
Is Ash Blue a light or dark color?
Ash Blue has a light reflectance value (LRV) of 28.4 on a scale where 0 is black and 100 is pure white, which makes it a deep color. With an LRV of 28, Ash Blue absorbs more light than it reflects, so it works best in rooms with good natural light or where you want a cozier feel.
What is the closest match to Ash Blue in other paint brands?
Sherwin-Williams: Bracing Blue SW 6242 (closest available, ΔE 12.1); Farrow & Ball: Stone Blue No.86 (closest available, ΔE 7.2); Behr: Dragonfly PPU12-03 (closest available, ΔE 10.7). Matches are calculated with the CIEDE2000 color difference formula; always check a physical sample before buying.
What trim and ceiling color goes with Ash Blue?
Try Sweet Bluette (813) on trim and Ice Mist (OC-67) on the ceiling. Both are Benjamin Moore whites that share Ash Blue's undertone.
Where does Ash Blue work best?
Ash Blue works well in bedrooms, offices, kitchen islands and cabinets and accent walls. With an LRV of 28, Ash Blue absorbs more light than it reflects, so it works best in rooms with good natural light or where you want a cozier feel.
Planning more than one room?
Build a whole-house palette and share it with your contractor. Free.