Loch Blue (SW 6502)

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.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Benjamin Moore | Avalon Teal | CSP-645 | 17.6 | 1.5 | very close |
| Behr | Havasu | 520B-7 | 15.8 | 2.5 | noticeably different |
| Valspar | Ocean Soul | 5009-9 | 14 | 4.1 | noticeably different |
| PPG Paints | Adventure | 1151-6 | 16 | 0.7 | indistinguishable |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Loch Blue (LRV 16) by LRV.
Lighter than Loch Blue
Darker than Loch Blue
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6502 |
| Hex | #2F778B |
| RGB | 47, 119, 139 |
| HSL | 193°, 49%, 36% |
| LRV (light reflectance value) | 16 |
| Lab L*, a*, b* | 46.5, -15.7, -17.5 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Loch Blue (SW 6502), published as #2F778B
#006E89
#4B808B
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Sherwin-Williams
More from Sherwin-Williams
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.