Loch Blue (SW 6502)

Loch Blue SW 6502#2F778B, LRV 16
Living room with walls painted Sherwin-Williams Loch Blue SW 6502 (simulated)
Living room, walls in Loch Blue

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

Loch Blue (SW 6502) is a very deep, cool blue from Sherwin-Williams: LRV 16, so it reflects about 16 percent of the light that hits it.

Colors that go with Loch Blue

Four Sherwin-Williams colors picked for Loch Blue 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 Loch 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
Benjamin MooreAvalon TealCSP-64517.61.5very close
BehrHavasu520B-715.82.5noticeably different
ValsparOcean Soul5009-9144.1noticeably different
PPG PaintsAdventure1151-6160.7indistinguishable

Lighter and darker in Sherwin-Williams

Color data

BrandSherwin-Williams
Color codeSW 6502
Hex#2F778B
RGB47, 119, 139
HSL193°, 49%, 36%
LRV (light reflectance value)16
Lab L*, a*, b*46.5, -15.7, -17.5
UndertoneCool Blue
Temperaturecool
Color familyBlue

Same paint, two kinds of light

Loch Blue (SW 6502), published as #2F778B

North light (cool, indirect)
#006E89
South light (warm, direct)
#4B808B

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 Loch Blue (SW 6502)?
Loch Blue has an LRV of 16. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Loch Blue is a very deep color.
What is the closest match to Loch Blue in another brand?
Adventure (PPG 1151-6) from PPG Paints, at a deltaE of 0.7 (indistinguishable).
Is Loch Blue warm or cool?
Sherwin-Williams lists Loch Blue as cool, with a Cool Blue undertone. Its Lab b* value is -17.5; 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 .