Rocky Mountain Sky (BM 2066-40)
Illustrative room. Screen colors vary; test a sample before you paint.
Rocky Mountain Sky (BM 2066-40) is a deep, cool blue from Benjamin Moore: LRV 31, so it reflects about 31 percent of the light that hits it.
Colors that go with Rocky Mountain Sky
Four Benjamin Moore colors picked for Rocky Mountain Sky 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 Rocky Mountain Sky, 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 | Dynamic Blue | SW 6958 | 24 | 3.7 | noticeably different |
| Behr | Perfect Sky | P510-5 | 27.6 | 2.8 | noticeably different |
| Valspar | Blue Burst | 4008-10B | 27 | 1.3 | very close |
| PPG Paints | Sorcerer | 1240-5 | 28 | 1.9 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Rocky Mountain Sky (LRV 31) by LRV.
Lighter than Rocky Mountain Sky
Darker than Rocky Mountain Sky
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 2066-40 |
| Hex | #0F97D8 |
| RGB | 15, 151, 216 |
| HSL | 199°, 87%, 45% |
| LRV (light reflectance value) | 31 |
| Lab L*, a*, b* | 59.2, -9.4, -42.2 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Rocky Mountain Sky (BM 2066-40), published as #0F97D8
#008ED6
#4BA0D9
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 Rocky Mountain Sky (BM 2066-40)?
- Rocky Mountain Sky has an LRV of 31. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Rocky Mountain Sky is a deep color.
- What is the closest match to Rocky Mountain Sky in another brand?
- Blue Burst (Valspar 4008-10B) from Valspar, at a deltaE of 1.3 (very close).
- Is Rocky Mountain Sky warm or cool?
- Benjamin Moore lists Rocky Mountain Sky as cool, with a Cool Blue undertone. Its Lab b* value is -42.2; 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.