Deep Blue Sea (Valspar 5001-10C)
Illustrative room. Screen colors vary; test a sample before you paint.
Deep Blue Sea (Valspar 5001-10C) is a deep, cool blue from Valspar: LRV 21, so it reflects about 21 percent of the light that hits it.
Colors that go with Deep Blue Sea
Four Valspar colors picked for Deep Blue Sea 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 Deep Blue Sea, 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 | Secure Blue | SW 6508 | 22 | 4.0 | noticeably different |
| Benjamin Moore | Finley Blue | CW-620 | 22.3 | 3.1 | noticeably different |
| Behr | Hemisphere | M500-4 | 21.2 | 2.3 | very close |
| PPG Paints | Cosmopolitan | 1158-5 | 23 | 2.3 | very close |
Lighter and darker in Valspar
The Valspar blue colors nearest to Deep Blue Sea (LRV 21) by LRV.
Lighter than Deep Blue Sea
Darker than Deep Blue Sea
Color data
| Brand | Valspar |
|---|---|
| Color code | 5001-10C |
| Hex | #4387AC |
| RGB | 67, 135, 172 |
| HSL | 201°, 44%, 47% |
| LRV (light reflectance value) | 21 |
| Lab L*, a*, b* | 53.5, -10.2, -26.0 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Deep Blue Sea (Valspar 5001-10C), published as #4387AC
#1D7EAA
#5E90AC
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 Deep Blue Sea (Valspar 5001-10C)?
- Deep Blue Sea has an LRV of 21. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Deep Blue Sea is a deep color.
- What is the closest match to Deep Blue Sea in another brand?
- Hemisphere (Behr M500-4) from Behr, at a deltaE of 2.3 (very close).
- Is Deep Blue Sea warm or cool?
- Valspar lists Deep Blue Sea as cool, with a Cool Blue undertone. Its Lab b* value is -26.0; 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.