Waterloo (Valspar 4003-6C)
Illustrative room. Screen colors vary; test a sample before you paint.
Waterloo (Valspar 4003-6C) is a very deep, cool blue from Valspar: LRV 13, so it reflects about 13 percent of the light that hits it.
Colors that go with Waterloo
Four Valspar colors picked for Waterloo 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 Waterloo, 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 | Luxe Blue | SW 6537 | 13 | 2.0 | very close |
| Benjamin Moore | Blue Heron | 832 | 15.8 | 2.4 | noticeably different |
| Behr | Enduring | 610D-6 | 13.2 | 1.6 | very close |
| PPG Paints | Stained Glass | 1165-6 | 13 | 1.6 | very close |
Lighter and darker in Valspar
The Valspar blue colors nearest to Waterloo (LRV 13) by LRV.
Lighter than Waterloo
Darker than Waterloo
Color data
| Brand | Valspar |
|---|---|
| Color code | 4003-6C |
| Hex | #556788 |
| RGB | 85, 103, 136 |
| HSL | 219°, 23%, 43% |
| LRV (light reflectance value) | 13 |
| Lab L*, a*, b* | 43.4, 2.0, -20.4 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Waterloo (Valspar 4003-6C), published as #556788
#405E86
#687088
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 Waterloo (Valspar 4003-6C)?
- Waterloo has an LRV of 13. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Waterloo is a very deep color.
- What is the closest match to Waterloo in another brand?
- Enduring (Behr 610D-6) from Behr, at a deltaE of 1.6 (very close).
- Is Waterloo warm or cool?
- Valspar lists Waterloo as cool, with a Cool Blue undertone. Its Lab b* value is -20.4; 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.