cobalt blue
- HEX
- #030aa7
- RGB
- rgb(3, 10, 167)
- HSL
- hsl(237.4, 96.5%, 33.3%)
- CMYK
- cmyk(98.2%, 94%, 0%, 34.5%)
- OKLCH
- oklch(33.6% 0.223 264.648)
cobalt blue is a blue color with a cool undertone, written #030aa7 in hexadecimal.
Quick facts
| Family | Blue |
|---|---|
| Undertone | cool |
| Lightness | 33.3% |
| Contrast on white | 13.08 |
| Contrast on black | 1.61 |
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 | 13.08 | Pass | Pass | Pass | Pass |
| Black | 1.61 | Fail | Fail | Fail | Fail |
Similar colors
Sources
This name comes from the xkcd color survey.