Firmament (Valspar 5003-8C)

Illustrative room. Screen colors vary; test a sample before you paint.
Firmament (Valspar 5003-8C) is a very deep, cool blue from Valspar: LRV 12, so it reflects about 12 percent of the light that hits it.
Colors that go with Firmament
Three Valspar colors picked for Firmament by this site's color math: a trim white, 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 Firmament, 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 | Deep Sea Dive | SW 7618 | 10 | 2.3 | very close |
| Benjamin Moore | Coat of Arms | 763 | 14.7 | 3.2 | noticeably different |
| Behr | Jade | HDC-AC-05L | 12.3 | 2.1 | very close |
| PPG Paints | Azalea Leaf | 1149-6 | 13 | 3.9 | noticeably different |
Lighter and darker in Valspar
The Valspar blue colors nearest to Firmament (LRV 12) by LRV.
Lighter than Firmament
Darker than Firmament
Color data
| Brand | Valspar |
|---|---|
| Color code | 5003-8C |
| Hex | #3B676F |
| RGB | 59, 103, 111 |
| HSL | 189°, 31%, 33% |
| LRV (light reflectance value) | 12 |
| Lab L*, a*, b* | 40.9, -12.9, -9.2 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Firmament (Valspar 5003-8C), published as #3B676F
#235E6D
#50706F
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 Firmament (Valspar 5003-8C)?
- Firmament has an LRV of 12. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Firmament is a very deep color.
- What is the closest match to Firmament in another brand?
- Jade (Behr HDC-AC-05L) from Behr, at a deltaE of 2.1 (very close).
- Is Firmament warm or cool?
- Valspar lists Firmament as cool, with a Cool undertone. Its Lab b* value is -9.2; 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.