Blue Mosque (SW 6789)

Blue Mosque SW 6789#01819E, LRV 17
Living room with walls painted Sherwin-Williams Blue Mosque SW 6789 (simulated)
Living room, walls in Blue Mosque

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

Blue Mosque (SW 6789) is a very deep, cool blue from Sherwin-Williams: LRV 17, so it reflects about 17 percent of the light that hits it.

Colors that go with Blue Mosque

Four Sherwin-Williams colors picked for Blue Mosque by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Sherwin-Williams did not choose these pairings.

Closest match in every other brand

Each brand's closest color to Blue Mosque, 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
Benjamin MoorePacific Palisades76220.12.3noticeably different
BehrTibetan TurquoiseMQ4-5319.32.0very close
ValsparGarden Pool5003-10C190.5indistinguishable
PPG PaintsBimini Blue1235-7163.4noticeably different

Lighter and darker in Sherwin-Williams

Color data

BrandSherwin-Williams
Color codeSW 6789
Hex#01819E
RGB1, 129, 158
HSL191°, 99%, 31%
LRV (light reflectance value)17
Lab L*, a*, b*49.7, -19.0, -23.9
UndertoneCool Blue
Temperaturecool
Color familyBlue

Same paint, two kinds of light

Blue Mosque (SW 6789), published as #01819E

North light (cool, indirect)
#00789C
South light (warm, direct)
#3B8A9E

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

Similar shades from Sherwin-Williams

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Common questions

What is the LRV of Blue Mosque (SW 6789)?
Blue Mosque has an LRV of 17. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Blue Mosque is a very deep color.
What is the closest match to Blue Mosque in another brand?
Garden Pool (Valspar 5003-10C) from Valspar, at a deltaE of 0.5 (indistinguishable).
Is Blue Mosque warm or cool?
Sherwin-Williams lists Blue Mosque as cool, with a Cool Blue undertone. Its Lab b* value is -23.9; a higher b* is warmer and yellower, a lower one cooler and bluer.

Sources: LRV and hex as published by the manufacturer, via PaintDB (CC BY 4.0). 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.

Published . Updated .