Blue Dusk (BM 1644)
Illustrative room. Screen colors vary; test a sample before you paint.
Blue Dusk (BM 1644) is a deep, cool blue from Benjamin Moore: LRV 24, so it reflects about 24 percent of the light that hits it.
Colors that go with Blue Dusk
Four Benjamin Moore colors picked for Blue Dusk 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 Blue Dusk, 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 | Blustery Sky | SW 9140 | 22 | 1.6 | very close |
| Behr | Lyric Blue | HDC-AC-24 | 22.9 | 1.4 | very close |
| Valspar | Cornflower Blue | 4008-4B | 23 | 3.5 | noticeably different |
| PPG Paints | Puddle Jumper | 1035-5 | 21 | 2.6 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Blue Dusk (LRV 24) by LRV.
Lighter than Blue Dusk
Darker than Blue Dusk
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 1644 |
| Hex | #6E8791 |
| RGB | 110, 135, 145 |
| HSL | 197°, 14%, 50% |
| LRV (light reflectance value) | 24 |
| Lab L*, a*, b* | 54.8, -6.5, -8.3 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Blue Dusk (BM 1644), published as #6E8791
#5B7E8F
#819091
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
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Common questions
- What is the LRV of Blue Dusk (BM 1644)?
- Blue Dusk has an LRV of 24. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Blue Dusk is a deep color.
- What is the closest match to Blue Dusk in another brand?
- Lyric Blue (Behr HDC-AC-24) from Behr, at a deltaE of 1.4 (very close).
- Is Blue Dusk warm or cool?
- Benjamin Moore lists Blue Dusk as cool, with a Cool undertone. Its Lab b* value is -8.3; 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.