Blackbird (Behr ECC-23-3)
Illustrative room. Screen colors vary; test a sample before you paint.
Blackbird (Behr ECC-23-3) is a very deep, cool black from Behr: LRV 5.7, so it reflects about 6 percent of the light that hits it.
Colors that go with Blackbird
Three Behr colors picked for Blackbird 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 Blackbird, 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 | Charcoal Blue | SW 2739 | 6 | 2.1 | very close |
| Benjamin Moore | Abyss | 2128-20 | 7.4 | 1.6 | very close |
| Valspar | Very Black | 5011-2 | 6 | 2.0 | very close |
| PPG Paints | Napoleon | 1013-7 | 5 | 2.5 | noticeably different |
Lighter and darker in Behr
The Behr black colors nearest to Blackbird (LRV 5.7 (estimated)) by LRV.
Lighter than Blackbird
Darker than Blackbird
Color data
| Brand | Behr |
|---|---|
| Color code | ECC-23-3 |
| Hex | #3F444C |
| RGB | 63, 68, 76 |
| HSL | 217°, 9%, 27% |
| LRV (light reflectance value) | 5.7 (estimated from the hex) |
| Lab L*, a*, b* | 28.7, -0.1, -5.5 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Black |
Same paint, two kinds of light
Blackbird (Behr ECC-23-3), published as #3F444C
#2F3C4A
#4F4C4C
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 Blackbird (Behr ECC-23-3)?
- Blackbird has an LRV of 5.7 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Blackbird is a very deep color.
- What is the closest match to Blackbird in another brand?
- Abyss (BM 2128-20) from Benjamin Moore, at a deltaE of 1.6 (very close).
- Is Blackbird warm or cool?
- Behr lists Blackbird as cool, with a Cool undertone. Its Lab b* value is -5.5; 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.