Blue Spell (Behr 550F-7)
Illustrative room. Screen colors vary; test a sample before you paint.
Blue Spell (Behr 550F-7) is a very deep, cool blue from Behr: LRV 9.7, so it reflects about 10 percent of the light that hits it.
Colors that go with Blue Spell
Three Behr colors picked for Blue Spell 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 Blue Spell, 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 | Bunglehouse Blue | SW 0048 | 11 | 2.8 | noticeably different |
| Benjamin Moore | Summer Nights | 777 | 10.8 | 2.2 | very close |
| Valspar | Newport Gray | 4011-5 | 9 | 2.3 | noticeably different |
| PPG Paints | Brigade | 1152-6 | 10 | 2.4 | noticeably different |
Lighter and darker in Behr
The Behr blue colors nearest to Blue Spell (LRV 9.7 (estimated)) by LRV.
Lighter than Blue Spell
Darker than Blue Spell
Color data
| Brand | Behr |
|---|---|
| Color code | 550F-7 |
| Hex | #3B5C6C |
| RGB | 59, 92, 108 |
| HSL | 200°, 29%, 33% |
| LRV (light reflectance value) | 9.7 (estimated from the hex) |
| Lab L*, a*, b* | 37.2, -7.3, -12.9 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Blue Spell (Behr 550F-7), published as #3B5C6C
#24536A
#4F656C
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 Spell (Behr 550F-7)?
- Blue Spell has an LRV of 9.7 (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 Spell is a very deep color.
- What is the closest match to Blue Spell in another brand?
- Summer Nights (BM 777) from Benjamin Moore, at a deltaE of 2.2 (very close).
- Is Blue Spell warm or cool?
- Behr lists Blue Spell as cool, with a Cool Blue undertone. Its Lab b* value is -12.9; 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.