Mega Blue (Behr P520-6)
Illustrative room. Screen colors vary; test a sample before you paint.
Mega Blue (Behr P520-6) is a very deep, cool blue from Behr: LRV 14.9, so it reflects about 15 percent of the light that hits it.
Colors that go with Mega Blue
Four Behr colors picked for Mega 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 Mega 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 | Lupine | SW 6810 | 16 | 3.7 | noticeably different |
| Benjamin Moore | Athens Blue | 797 | 18.7 | 2.0 | very close |
| Valspar | Peek-A-Boo Blue | 4007-10C | 15 | 0.8 | indistinguishable |
| PPG Paints | Nocturne Shade | 1244-6 | 15 | 1.0 | very close |
Lighter and darker in Behr
The Behr blue colors nearest to Mega Blue (LRV 14.9 (estimated)) by LRV.
Lighter than Mega Blue
Darker than Mega Blue
Color data
| Brand | Behr |
|---|---|
| Color code | P520-6 |
| Hex | #366FA6 |
| RGB | 54, 111, 166 |
| HSL | 209°, 51%, 43% |
| LRV (light reflectance value) | 14.9 (estimated from the hex) |
| Lab L*, a*, b* | 45.5, -0.5, -35.0 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Mega Blue (Behr P520-6), published as #366FA6
#0066A4
#5378A7
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 Mega Blue (Behr P520-6)?
- Mega Blue has an LRV of 14.9 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Mega Blue is a very deep color.
- What is the closest match to Mega Blue in another brand?
- Peek-A-Boo Blue (Valspar 4007-10C) from Valspar, at a deltaE of 0.8 (indistinguishable).
- Is Mega Blue warm or cool?
- Behr lists Mega Blue as cool, with a Cool Blue undertone. Its Lab b* value is -35.0; 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.