Admiral Blue (Behr M520-7)

Admiral Blue Behr M520-7#3E5B7D, LRV 10 (estimated)
Living room with walls painted Behr Admiral Blue M520-7 (simulated)
Living room, walls in Admiral Blue

Illustrative room. Screen colors vary; test a sample before you paint.

Admiral Blue (Behr M520-7) is a very deep, cool blue from Behr: LRV 10, so it reflects about 10 percent of the light that hits it.

Colors that go with Admiral Blue

Three Behr colors picked for Admiral 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 Admiral 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.

BrandClosest colorCodeLRVdeltaEHow close
Sherwin-WilliamsAzure TideSW 9684123.9noticeably different
Benjamin MoorePrussian BlueCW-62512.22.6noticeably different
ValsparIndigo Cloth4009-792.9noticeably different
PPG PaintsChinese Porcelain1160-6113.4noticeably different

Lighter and darker in Behr

Color data

BrandBehr
Color codeM520-7
Hex#3E5B7D
RGB62, 91, 125
HSL212°, 34%, 37%
LRV (light reflectance value)10 (estimated from the hex)
Lab L*, a*, b*37.8, -0.5, -22.4
UndertoneCool Blue
Temperaturecool
Color familyBlue

Same paint, two kinds of light

Admiral Blue (Behr M520-7), published as #3E5B7D

North light (cool, indirect)
#25527B
South light (warm, direct)
#53647D

These swatches and the rooms above are a simulation, not a measurement. How the visualizer works

Similar shades from Behr

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Common questions

What is the LRV of Admiral Blue (Behr M520-7)?
Admiral Blue has an LRV of 10 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Admiral Blue is a very deep color.
What is the closest match to Admiral Blue in another brand?
Prussian Blue (BM CW-625) from Benjamin Moore, at a deltaE of 2.6 (noticeably different).
Is Admiral Blue warm or cool?
Behr lists Admiral Blue as cool, with a Cool Blue undertone. Its Lab b* value is -22.4; 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.

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