Blue Note (BM 2129-30)
Illustrative room. Screen colors vary; test a sample before you paint.
Blue Note (BM 2129-30) is a very deep, cool blue from Benjamin Moore: LRV 9, so it reflects about 9 percent of the light that hits it.
Colors that go with Blue Note
Three Benjamin Moore colors picked for Blue Note 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 Note, 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 | Sea Serpent | SW 7615 | 7 | 0.9 | indistinguishable |
| Behr | Club Navy | QE-56 | 6.6 | 0.7 | indistinguishable |
| Valspar | Pitch Cobalt | 5010-2 | 7 | 0.9 | indistinguishable |
| PPG Paints | Midnight Hour | 1038-7 | 6 | 2.1 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Blue Note (LRV 9) by LRV.
Lighter than Blue Note
Darker than Blue Note
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 2129-30 |
| Hex | #404B54 |
| RGB | 64, 75, 84 |
| HSL | 207°, 14%, 29% |
| LRV (light reflectance value) | 9 |
| Lab L*, a*, b* | 31.3, -2.1, -6.8 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Blue Note (BM 2129-30), published as #404B54
#2F4352
#505454
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
Comparisons that include Blue Note (BM 2129-30)
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Common questions
- What is the LRV of Blue Note (BM 2129-30)?
- Blue Note has an LRV of 9. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Blue Note is a very deep color.
- What is the closest match to Blue Note in another brand?
- Club Navy (Behr QE-56) from Behr, at a deltaE of 0.7 (indistinguishable).
- Is Blue Note warm or cool?
- Benjamin Moore lists Blue Note as cool, with a Cool undertone. Its Lab b* value is -6.8; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: LRV and hex from Benjamin Moore technical data (verified 2026-10-02). 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.