Nocturne Blue (Behr HDC-CL-28)
Illustrative room. Screen colors vary; test a sample before you paint.
Nocturne Blue (Behr HDC-CL-28) is a very deep, cool blue from Behr: LRV 6.7, so it reflects about 7 percent of the light that hits it.
Colors that go with Nocturne Blue
Three Behr colors picked for Nocturne Blue by this site's color math: a trim white, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Nocturne 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 | Seaworthy | SW 7620 | 7 | 0.9 | indistinguishable |
| Benjamin Moore | Brush Blue | CW-675 | 9.8 | 3.7 | noticeably different |
| Valspar | Everglade Deck | 5011-3 | 7 | 2.1 | very close |
| PPG Paints | Sailor's Coat | 1153-7 | 6 | 1.4 | very close |
Lighter and darker in Behr
The Behr blue colors nearest to Nocturne Blue (LRV 6.7 (estimated)) by LRV.
Lighter than Nocturne Blue
Darker than Nocturne Blue
Color data
| Brand | Behr |
|---|---|
| Color code | HDC-CL-28 |
| Hex | #344D58 |
| RGB | 52, 77, 88 |
| HSL | 198°, 26%, 27% |
| LRV (light reflectance value) | 6.7 (estimated from the hex) |
| Lab L*, a*, b* | 31.2, -6.3, -9.5 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Nocturne Blue (Behr HDC-CL-28), published as #344D58
#1F4556
#465658
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Nocturne Blue (Behr HDC-CL-28)?
- Nocturne Blue has an LRV of 6.7 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Nocturne Blue is a very deep color.
- What is the closest match to Nocturne Blue in another brand?
- Seaworthy (SW 7620) from Sherwin-Williams, at a deltaE of 0.9 (indistinguishable).
- Is Nocturne Blue warm or cool?
- Behr lists Nocturne Blue as cool, with a Cool undertone. Its Lab b* value is -9.5; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. 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.