Sherwin-Williams Deep Sea Dive#3F4D55 · LRV 7
Deep Sea Dive reads as a blue / cool — very dark — reads black in most rooms. The notes below cover the spec, what Sherwin-Williams SW 7724 actually looks like under different light, and the closest matches at competing US brands.
Color spec
| Brand | Sherwin-Williams |
| Name | Deep Sea Dive |
| SKU | SW 7724 |
| Hex | #3F4D55 |
| RGB | 63, 77, 85 |
| HSL | 202°, 15%, 29% |
| LRV | 7 |
| Undertone | blue / cool |
| Family | Gray |
Kompozit alternative
The closest hex in the Kompozit deck, ranked by ΔE2000 (perceptual color difference). ΔE under 2 is indistinguishable to most eyes; under 5 is a very close visual match.
Closest matches at every US brand
9 brands · top 5 each5 closest matches per brand by ΔE2000, computed against each brand's full deck. Tap any swatch for its full single-color spec; tap the brand title to browse all gray from that brand.
Behr
Valspar
Farrow & Ball
PPG / Glidden
Benjamin Moore
Dunn-Edwards
Magnolia Home
Clare
Coordinated palette
Generated by hue-rotating #3F4D55 in HSL space. Pair Deep Sea Dive with one accent and one neutral — the swatches below are starting points, not final picks.
Accessibility (WCAG contrast)
WCAG 2.1: AA = 4.5:1 normal text · AA Large = 3:1 large text · AAA = 7:1 normal text.