Gulf Blue Color – #343f5c: Codes and Complete Breakdown
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Resene lists Gulf Blue at exactly #343f5c and calls it a true blue like the waters of New Zealand’s Marlborough Sounds. On screen it’s a dusky navy with a faint violet cast, since blue at 92 barely clears red at 52. Evening light pushes it close to slate gray.

Gulf Blue Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#343f5c
Gulf Blue Color Codes and Information
Complete breakdown of the color Gulf Blue:
| Data Type | Values/Details |
|---|---|
| Hex | #343f5c |
| RGB | rgb(52,63,92) |
| HSL | hsl(224,27.8%,28.2%) |
| CMYK | 43, 32, 0, 64 |
| HSV | 224, 43, 36 |
| RGB % | 20, 25, 36 |
| XYZ | 5.1, 5.1, 10.8 |
| LAB | 26.9, 4, -18.7 |
| Color Category | Dark |
| Color Family | Blue |
| Saturation | 43% |
| Temperature | Cool |
| Contrast Ratio Against White (#ffffff) | 10.44 (passes WCAG AA) |
| Contrast Ratio Against Black (#000000) | 2.01 (fails WCAG AA) |
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