Sea Serpent is a deep slate blue-gray that sits between navy and charcoal. It feels moody and sophisticated in low light and more distinctly blue in sun. It is popular for cabinets, doors and accent walls.
Paint color names and codes are trademarks of their respective owners (Sherwin-Williams, Benjamin Moore and Behr); this site is not affiliated with them. The hex value is a digital approximation: the real paint looks different depending on light, sheen and your screen, so always test a physical sample on your wall before you buy.
Undertone: Deep blue-gray with a slate undertone.
LRV 7: Sea Serpent is a very dark color that absorbs most of the light.
Where to use it: Kitchen, office, exterior.
Trim: Sea Serpent pairs well with Pure White SW 7005 for trim, doors and ceilings.
Sherwin-Williams colors that work with Sea Serpent on walls, trim and accents.
The closest matches to Sea Serpent from Benjamin Moore and Behr, by digital color value. ΔE measures the visible difference: under 2 is barely noticeable.
From lightest to darkest. Tap a shade to copy its code.
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The digital hex value for Sherwin-Williams Sea Serpent (SW 7615) is #3E4B54, which is rgb(62, 75, 84). Use it for mockups and digital design; a physical sample is the only reliable way to judge the paint itself.
Sherwin-Williams Sea Serpent has an LRV (light reflectance value) of 7. LRV runs from 0 (black) to 100 (pure white), so Sea Serpent is a very dark color that absorbs most of the light.
Sea Serpent has a deep blue-gray with a slate undertone undertone. By its digital value it sits on the cool side, but north-facing light will cool it down and warm bulbs will warm it up, so test a sample in the room where you plan to use it.
The closest Benjamin Moore color to Sherwin-Williams Sea Serpent is Blue Note (2129-30, #404B54), which is nearly identical by digital value (ΔE 0.8). Paint formulas differ, so color-matched versions are never exact: compare physical samples side by side.
The closest Behr color to Sherwin-Williams Sea Serpent is New Navy Blue (BXC-26, #3B4A55), which is nearly identical by digital value (ΔE 1.5). Paint formulas differ, so color-matched versions are never exact: compare physical samples side by side.