Cerulean
- HEX
- #55aaee
- RGB
- rgb(85, 170, 238)
- HSL
- hsl(206.7, 81.8%, 63.3%)
- CMYK
- cmyk(64.3%, 28.6%, 0%, 6.7%)
- OKLCH
- oklch(71.4% 0.129 245.21)
Cerulean is a blue color with a cool undertone, written #55aaee in hexadecimal.
Quick facts
| Family | Blue |
|---|---|
| Undertone | cool |
| Lightness | 63.3% |
| Contrast on white | 2.51 |
| Contrast on black | 8.37 |
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 | 2.51 | Fail | Fail | Fail | Fail |
| Black | 8.37 | Pass | Pass | Pass | Pass |
Similar colors
Sources
This name comes from the color-name-list project.