Blue Dahlia (Behr BIC-21)
Illustrative room. Screen colors vary; test a sample before you paint.
Blue Dahlia (Behr BIC-21) is a very deep, cool purple from Behr: LRV 11.5, so it reflects about 12 percent of the light that hits it.
Colors that go with Blue Dahlia
Four Behr colors picked for Blue Dahlia by this site's color math: a trim white, a deeper purple, 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 Blue Dahlia, 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 | Azure Tide | SW 9684 | 12 | 5.6 | clearly different |
| Benjamin Moore | Mosaic | CC-874 | 14.9 | 2.7 | noticeably different |
| Valspar | Deep Space | 4008-8C | 12 | 2.6 | noticeably different |
| PPG Paints | Blue Odyssey | 1166-6 | 14 | 4.2 | noticeably different |
Lighter and darker in Behr
The Behr purple colors nearest to Blue Dahlia (LRV 11.5 (estimated)) by LRV.
Lighter than Blue Dahlia
Darker than Blue Dahlia
Color data
| Brand | Behr |
|---|---|
| Color code | BIC-21 |
| Hex | #415E9C |
| RGB | 65, 94, 156 |
| HSL | 221°, 41%, 43% |
| LRV (light reflectance value) | 11.5 (estimated from the hex) |
| Lab L*, a*, b* | 40.5, 8.7, -37.0 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Purple |
Same paint, two kinds of light
Blue Dahlia (Behr BIC-21), published as #415E9C
#21569A
#5A669D
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 Blue Dahlia (Behr BIC-21)?
- Blue Dahlia has an LRV of 11.5 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Blue Dahlia is a very deep color.
- What is the closest match to Blue Dahlia in another brand?
- Deep Space (Valspar 4008-8C) from Valspar, at a deltaE of 2.6 (noticeably different).
- Is Blue Dahlia warm or cool?
- Behr lists Blue Dahlia as cool, with a Cool Blue undertone. Its Lab b* value is -37.0; 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.