Signature Blue (Behr UL240-22)

Illustrative room. Screen colors vary; test a sample before you paint.
Signature Blue (Behr UL240-22) is a very deep, cool blue from Behr: LRV 8.6, so it reflects about 9 percent of the light that hits it.
Colors that go with Signature Blue
Three Behr colors picked for Signature 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 Signature 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 | Dignified | SW 6538 | 7 | 3.8 | noticeably different |
| Benjamin Moore | Indi Go-Go | CSP-565 | 11.4 | 2.9 | noticeably different |
| Valspar | Mystified | 4011-8 | 9 | 1.5 | very close |
| PPG Paints | Annapolis Blue | 1164-7 | 7 | 3.8 | noticeably different |
Lighter and darker in Behr
The Behr blue colors nearest to Signature Blue (LRV 8.6 (estimated)) by LRV.
Lighter than Signature Blue
Darker than Signature Blue
Color data
| Brand | Behr |
|---|---|
| Color code | UL240-22 |
| Hex | #455371 |
| RGB | 69, 83, 113 |
| HSL | 221°, 24%, 36% |
| LRV (light reflectance value) | 8.6 (estimated from the hex) |
| Lab L*, a*, b* | 35.3, 2.8, -18.9 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Signature Blue (Behr UL240-22), published as #455371
#314B6F
#585B71
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 Signature Blue (Behr UL240-22)?
- Signature Blue has an LRV of 8.6 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Signature Blue is a very deep color.
- What is the closest match to Signature Blue in another brand?
- Mystified (Valspar 4011-8) from Valspar, at a deltaE of 1.5 (very close).
- Is Signature Blue warm or cool?
- Behr lists Signature Blue as cool, with a Cool Blue undertone. Its Lab b* value is -18.9; 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.