Ash Blue (BM 2057-40)
Illustrative room. Screen colors vary; test a sample before you paint.
Ash Blue (BM 2057-40) is a deep, cool blue from Benjamin Moore: LRV 30.2, so it reflects about 30 percent of the light that hits it.
Colors that go with Ash Blue
Four Benjamin Moore colors picked for Ash Blue by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Benjamin Moore did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Ash Blue, ranked by CIEDE2000 (deltaE): under 1.0 is indistinguishable, 1.0 to 2.3 very close, 2.3 to 5 noticeably different, over 5 clearly different.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Sherwin-Williams | Lakeshore | SW 6494 | 27 | 3.1 | noticeably different |
| Behr | Explorer Blue | M470-5 | 31.5 | 2.4 | noticeably different |
| Valspar | Aqua Dance | 5002-8B | 26 | 2.3 | noticeably different |
| PPG Paints | Acapulco Cliffs | 1150-5 | 28 | 1.6 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Ash Blue (LRV 30.2) by LRV.
Lighter than Ash Blue
Darker than Ash Blue
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 2057-40 |
| Hex | #4D9CAE |
| RGB | 77, 156, 174 |
| HSL | 191°, 39%, 49% |
| LRV (light reflectance value) | 30.2 |
| Lab L*, a*, b* | 60.3, -19.0, -16.8 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Ash Blue (BM 2057-40), published as #4D9CAE
#2D92AC
#67A6AE
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
More from Benjamin Moore
Common questions
- What is the LRV of Ash Blue (BM 2057-40)?
- Ash Blue has an LRV of 30.2. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Ash Blue is a deep color.
- What is the closest match to Ash Blue in another brand?
- Acapulco Cliffs (PPG 1150-5) from PPG Paints, at a deltaE of 1.6 (very close).
- Is Ash Blue warm or cool?
- Benjamin Moore lists Ash Blue as cool, with a Cool Blue undertone. Its Lab b* value is -16.8; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: LRV and hex as published by the manufacturer, via PaintDB (CC BY 4.0). Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.