How popular is Sea Mariner?
Searches per month · USAbout 390 searches a month in the US
Google search volume for “Sherwin-Williams Sea Mariner” and its code, averaged over the 12 months to September 2026; pulled 2026-10-15. An estimate, not a census. How we measure
Try Sea Mariner on your own room
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About Sea Mariner
Sea Mariner is a serene, medium-dark blue with cool undertones. This cool shade has an LRV of 7 and absorbs nearly all light, making it ideal for creating intimate, cozy atmospheres or as an accent.
One shade lighter or darker
The nearest Sherwin-Williams colors with the same hue and saturation as Sea Mariner, a visible step lighter or darker.
Color Specifications
- Name
- Sea Mariner
- Brand
- Sherwin-Williams
- Code
- SW 9640
- Hex
- #434A54
- RGB
- 67, 74, 84
- HSL
- 215, 11%, 30%
- CMYK
- 20, 12, 0, 67Approximate — screen to print
- Lab
- 31.2, -0.4, -6.9
- CSS
- --sherwin-williams-sea-mariner
- LRV
- 7 (Dark)
- Undertone
- Cool
- Temperature
- cool
- Family
- blue
- Interior
- Yes
- Exterior
- Yes
- Finishes
- flatmatteeg-shelsatinsemi-glosshigh-gloss
Similar Colors & Cross-Brand Matches
Ranked by Delta E 2000. Under 1.0 looks the same on the wall.