Deep Shale (Behr PPF-38)
Illustrative room. Screen colors vary; test a sample before you paint.
Deep Shale (Behr PPF-38) is a very deep, cool gray from Behr: LRV 19.7, so it reflects about 20 percent of the light that hits it.
Colors that go with Deep Shale
Four Behr colors picked for Deep Shale by this site's color math: a trim white, a deeper gray, 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 Deep Shale, 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 |
|---|---|---|---|---|---|
| Sherwin-Williams | Downing Slate | SW 2819 | 21 | 1.3 | very close |
| Benjamin Moore | Wolf Gray | 2127-40 | 21.2 | 0.9 | indistinguishable |
| Valspar | Iron Frost | 4007-2B | 19 | 1.3 | very close |
| PPG Paints | Favorite Flannel | 10-19 | 18 | 2.0 | very close |
Lighter and darker in Behr
The Behr gray colors nearest to Deep Shale (LRV 19.7 (estimated)) by LRV.
Lighter than Deep Shale
Darker than Deep Shale
Color data
| Brand | Behr |
|---|---|
| Color code | PPF-38 |
| Hex | #737C84 |
| RGB | 115, 124, 132 |
| HSL | 208°, 7%, 48% |
| LRV (light reflectance value) | 19.7 (estimated from the hex) |
| Lab L*, a*, b* | 51.5, -1.6, -5.5 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Gray |
Same paint, two kinds of light
Deep Shale (Behr PPF-38), published as #737C84
#627382
#848584
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Deep Shale (Behr PPF-38)?
- Deep Shale has an LRV of 19.7 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Deep Shale is a very deep color.
- What is the closest match to Deep Shale in another brand?
- Wolf Gray (BM 2127-40) from Benjamin Moore, at a deltaE of 0.9 (indistinguishable).
- Is Deep Shale warm or cool?
- Behr lists Deep Shale as cool, with a Cool undertone. Its Lab b* value is -5.5; 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.