River Blue (BM 2057-10)

Illustrative room. Screen colors vary; test a sample before you paint.
River Blue (BM 2057-10) is a very deep, cool blue from Benjamin Moore: LRV 7.3, so it reflects about 7 percent of the light that hits it.
Colors that go with River Blue
Three Benjamin Moore colors picked for River Blue by this site's color math: a trim white, 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 River 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 | Moscow Midnight | SW 9142 | 5 | 1.8 | very close |
| Behr | Nocturne Blue | HDC-CL-28 | 6.7 | 4.1 | noticeably different |
| Valspar | Everglade Deck | 5011-3 | 7 | 5.3 | clearly different |
| PPG Paints | Blue Bayberry | 1149-7 | 8 | 3.8 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to River Blue (LRV 7.3) by LRV.
Lighter than River Blue
Darker than River Blue
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 2057-10 |
| Hex | #254952 |
| RGB | 37, 73, 82 |
| HSL | 192°, 38%, 23% |
| LRV (light reflectance value) | 7.3 |
| Lab L*, a*, b* | 28.8, -10.1, -9.4 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
River Blue (BM 2057-10), published as #254952
#074150
#395252
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 River Blue (BM 2057-10)?
- River Blue has an LRV of 7.3. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so River Blue is a very deep color.
- What is the closest match to River Blue in another brand?
- Moscow Midnight (SW 9142) from Sherwin-Williams, at a deltaE of 1.8 (very close).
- Is River Blue warm or cool?
- Benjamin Moore lists River Blue as cool, with a Cool undertone. Its Lab b* value is -9.4; 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.