Ultramarine Blue
- HEX
- #657abb
- RGB
- rgb(101, 122, 187)
- HSL
- hsl(225.3, 38.7%, 56.5%)
- CMYK
- cmyk(46%, 34.8%, 0%, 26.7%)
- OKLCH
- oklch(59.1% 0.103 269.474)
Ultramarine Blue is a blue color with a cool undertone, written #657abb in hexadecimal.
Quick facts
| Family | Blue |
|---|---|
| Undertone | cool |
| Lightness | 56.5% |
| Contrast on white | 4.15 |
| Contrast on black | 5.05 |
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 | 4.15 | Fail | Pass | Fail | Fail |
| Black | 5.05 | Pass | Pass | Fail | Pass |
Similar colors
Sources
This name comes from the color-name-list project.