Blue (BM 2066-10)
Illustrative room. Screen colors vary; test a sample before you paint.
Blue (BM 2066-10) is a very deep, cool purple from Benjamin Moore: LRV 6.2, so it reflects about 6 percent of the light that hits it.
Colors that go with Blue
Three Benjamin Moore colors picked for 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 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 | Valiant Violet | SW 6818 | 6 | 5.9 | clearly different |
| Behr | Expressionism | MQ5-49 | 7.1 | 5.6 | clearly different |
| Valspar | Homecoming Blue | 4009-9 | 8 | 8.3 | clearly different |
| PPG Paints | Daring Indigo | 1166-7 | 7 | 5.5 | clearly different |
Lighter and darker in Benjamin Moore
The Benjamin Moore purple colors nearest to Blue (LRV 6.2) by LRV.
Lighter than Blue
Darker than Blue
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 2066-10 |
| Hex | #233872 |
| RGB | 35, 56, 114 |
| HSL | 224°, 53%, 29% |
| LRV (light reflectance value) | 6.2 |
| Lab L*, a*, b* | 25.0, 12.6, -36.0 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Purple |
Same paint, two kinds of light
Blue (BM 2066-10), published as #233872
#003170
#3D4073
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 Blue (BM 2066-10)?
- Blue has an LRV of 6.2. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Blue is a very deep color.
- What is the closest match to Blue in another brand?
- Daring Indigo (PPG 1166-7) from PPG Paints, at a deltaE of 5.5 (clearly different).
- Is Blue warm or cool?
- Benjamin Moore lists Blue as cool, with a Cool Blue undertone. Its Lab b* value is -36.0; 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.