Cool Blue (BM 2058-40)

Illustrative room. Screen colors vary; test a sample before you paint.
Cool Blue (BM 2058-40) is a deep, cool blue from Benjamin Moore: LRV 29.9, so it reflects about 30 percent of the light that hits it.
Colors that go with Cool Blue
Four Benjamin Moore colors picked for Cool 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 Cool 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 | Major Blue | SW 6795 | 29 | 2.7 | noticeably different |
| Behr | North Pole Blue | M480-5A | 30.5 | 2.9 | noticeably different |
| Valspar | Pool Party | 5002-10B | 27 | 1.6 | very close |
| PPG Paints | Hush-a-bye | 1238-5 | 27 | 3.2 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Cool Blue (LRV 29.9) by LRV.
Lighter than Cool Blue
Darker than Cool Blue
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 2058-40 |
| Hex | #419AB7 |
| RGB | 65, 154, 183 |
| HSL | 195°, 48%, 49% |
| LRV (light reflectance value) | 29.9 |
| Lab L*, a*, b* | 59.6, -17.4, -22.9 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Cool Blue (BM 2058-40), published as #419AB7
#1090B5
#5FA4B7
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 Cool Blue (BM 2058-40)?
- Cool Blue has an LRV of 29.9. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Cool Blue is a deep color.
- What is the closest match to Cool Blue in another brand?
- Pool Party (Valspar 5002-10B) from Valspar, at a deltaE of 1.6 (very close).
- Is Cool Blue warm or cool?
- Benjamin Moore lists Cool Blue as cool, with a Cool Blue undertone. Its Lab b* value is -22.9; 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.