ultramarine
- HEX
- #2000b1
- RGB
- rgb(32, 0, 177)
- HSL
- hsl(250.8, 100%, 34.7%)
- CMYK
- cmyk(81.9%, 100%, 0%, 30.6%)
- OKLCH
- oklch(35.5% 0.231 270.623)
ultramarine is a blue color with a cool undertone, written #2000b1 in hexadecimal.
Quick facts
| Family | Blue |
|---|---|
| Undertone | cool |
| Lightness | 34.7% |
| Contrast on white | 12.38 |
| Contrast on black | 1.70 |
Tints, shades and tones
Color harmonies
Accessibility
Contrast ratio against white and black, and the WCAG 2.1 text levels each one passes.
| Background | Contrast ratio | AA normal | AA large | AAA normal | AAA large |
|---|---|---|---|---|---|
| White | 12.38 | Pass | Pass | Pass | Pass |
| Black | 1.70 | Fail | Fail | Fail | Fail |
Similar colors
Sources
This name comes from the xkcd color survey.