Mineral Gray (SW 2740)
Illustrative room. Screen colors vary; test a sample before you paint.
Mineral Gray (SW 2740) is a very deep, cool blue from Sherwin-Williams: LRV 9, so it reflects about 9 percent of the light that hits it.
Colors that go with Mineral Gray
Four Sherwin-Williams colors picked for Mineral Gray 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 Mineral Gray, 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 | Evening Dove | 2128-30 | 12 | 1.6 | very close |
| Behr | Ball Gown | MQ5-06 | 9.3 | 1.0 | indistinguishable |
| Valspar | Rogue Blue | 5009-2 | 10 | 2.0 | very close |
| PPG Paints | Gray Flannel | 1013-6 | 10 | 3.2 | noticeably different |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Mineral Gray (LRV 9) by LRV.
Lighter than Mineral Gray
Darker than Mineral Gray
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 2740 |
| Hex | #515763 |
| RGB | 81, 87, 99 |
| HSL | 220°, 10%, 35% |
| LRV (light reflectance value) | 9 |
| Lab L*, a*, b* | 36.9, 0.5, -7.7 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Mineral Gray (SW 2740), published as #515763
#404E61
#626063
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 Mineral Gray (SW 2740)?
- Mineral Gray has an LRV of 9. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Mineral Gray is a very deep color.
- What is the closest match to Mineral Gray in another brand?
- Ball Gown (Behr MQ5-06) from Behr, at a deltaE of 1.0 (indistinguishable).
- Is Mineral Gray warm or cool?
- Sherwin-Williams lists Mineral Gray as cool, with a Cool undertone. Its Lab b* value is -7.7; 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.