Dark Cobalt Blue (Behr PPU15-03)
Illustrative room. Screen colors vary; test a sample before you paint.
Dark Cobalt Blue (Behr PPU15-03) is a very deep, cool blue from Behr: LRV 9.4, so it reflects about 9 percent of the light that hits it.
Colors that go with Dark Cobalt Blue
Three Behr colors picked for Dark Cobalt 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 Dark Cobalt 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 | Frank Blue | SW 6967 | 8 | 2.5 | noticeably different |
| Benjamin Moore | Blue Suede Shoes | 798 | 11.5 | 0.8 | indistinguishable |
| Valspar | Deep Space | 4008-8C | 12 | 3.8 | noticeably different |
| PPG Paints | Florentine Lapis | 1244-7 | 9 | 2.9 | noticeably different |
Lighter and darker in Behr
The Behr blue colors nearest to Dark Cobalt Blue (LRV 9.4 (estimated)) by LRV.
Lighter than Dark Cobalt Blue
Darker than Dark Cobalt Blue
Color data
| Brand | Behr |
|---|---|
| Color code | PPU15-03 |
| Hex | #33578A |
| RGB | 51, 87, 138 |
| HSL | 215°, 46%, 37% |
| LRV (light reflectance value) | 9.4 (estimated from the hex) |
| Lab L*, a*, b* | 36.7, 3.9, -32.2 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Dark Cobalt Blue (Behr PPU15-03), published as #33578A
#094F88
#4C5F8B
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 Dark Cobalt Blue (Behr PPU15-03)?
- Dark Cobalt Blue has an LRV of 9.4 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Dark Cobalt Blue is a very deep color.
- What is the closest match to Dark Cobalt Blue in another brand?
- Blue Suede Shoes (BM 798) from Benjamin Moore, at a deltaE of 0.8 (indistinguishable).
- Is Dark Cobalt Blue warm or cool?
- Behr lists Dark Cobalt Blue as cool, with a Cool Blue undertone. Its Lab b* value is -32.2; 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.