Cosmic Blue (Valspar 4008-10C)
Illustrative room. Screen colors vary; test a sample before you paint.
Cosmic Blue (Valspar 4008-10C) is a very deep, cool blue from Valspar: LRV 19, so it reflects about 19 percent of the light that hits it.
Colors that go with Cosmic Blue
Four Valspar colors picked for Cosmic Blue by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Valspar did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Cosmic 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 | Danube | SW 6803 | 16 | 4.5 | noticeably different |
| Benjamin Moore | Finley Blue | CW-620 | 22.3 | 4.0 | noticeably different |
| Behr | Brilliant Blue | P510-6 | 19 | 1.3 | very close |
| PPG Paints | Electric Blue | 1241-6 | 20 | 2.4 | noticeably different |
Lighter and darker in Valspar
The Valspar blue colors nearest to Cosmic Blue (LRV 19) by LRV.
Lighter than Cosmic Blue
Darker than Cosmic Blue
Color data
| Brand | Valspar |
|---|---|
| Color code | 4008-10C |
| Hex | #147EBB |
| RGB | 20, 126, 187 |
| HSL | 202°, 81%, 41% |
| LRV (light reflectance value) | 19 |
| Lab L*, a*, b* | 50.3, -5.6, -39.7 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Cosmic Blue (Valspar 4008-10C), published as #147EBB
#0075B9
#4687BC
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Valspar
More from Valspar
Common questions
- What is the LRV of Cosmic Blue (Valspar 4008-10C)?
- Cosmic Blue has an LRV of 19. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Cosmic Blue is a very deep color.
- What is the closest match to Cosmic Blue in another brand?
- Brilliant Blue (Behr P510-6) from Behr, at a deltaE of 1.3 (very close).
- Is Cosmic Blue warm or cool?
- Valspar lists Cosmic Blue as cool, with a Cool Blue undertone. Its Lab b* value is -39.7; 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.