Cornflower Blue (Behr 580B-5)

Illustrative room. Screen colors vary; test a sample before you paint.
Cornflower Blue (Behr 580B-5) is a medium, cool blue from Behr: LRV 42.9, so it reflects about 43 percent of the light that hits it.
Colors that go with Cornflower Blue
Four Behr colors picked for Cornflower Blue by this site's color math: a trim white, a deeper blue, 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 Cornflower 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 | Celestial | SW 6808 | 44 | 2.7 | noticeably different |
| Benjamin Moore | Summer Blue | 2067-50 | 45.1 | 1.4 | very close |
| Valspar | Superior Blue | 4006-8A | 39 | 2.3 | noticeably different |
| PPG Paints | Viva La Bleu | 1242-3 | 49 | 3.7 | noticeably different |
Lighter and darker in Behr
The Behr blue colors nearest to Cornflower Blue (LRV 42.9 (estimated)) by LRV.
Lighter than Cornflower Blue
Darker than Cornflower Blue
Color data
| Brand | Behr |
|---|---|
| Color code | 580B-5 |
| Hex | #91B2D9 |
| RGB | 145, 178, 217 |
| HSL | 213°, 49%, 71% |
| LRV (light reflectance value) | 42.9 (estimated from the hex) |
| Lab L*, a*, b* | 71.5, -1.9, -23.3 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Cornflower Blue (Behr 580B-5), published as #91B2D9
#7CA8D7
#A6BCD9
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 Cornflower Blue (Behr 580B-5)?
- Cornflower Blue has an LRV of 42.9 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Cornflower Blue is a medium color.
- What is the closest match to Cornflower Blue in another brand?
- Summer Blue (BM 2067-50) from Benjamin Moore, at a deltaE of 1.4 (very close).
- Is Cornflower Blue warm or cool?
- Behr lists Cornflower Blue as cool, with a Cool Blue undertone. Its Lab b* value is -23.3; 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.