darkblue
- HEX
- #00008b
- RGB
- rgb(0, 0, 139)
- HSL
- hsl(240, 100%, 27.3%)
- CMYK
- cmyk(100%, 100%, 0%, 45.5%)
- OKLCH
- oklch(28.8% 0.199 264.052)
darkblue is a blue color with a cool undertone, written #00008b in hexadecimal.
Quick facts
| Family | Blue |
|---|---|
| Undertone | cool |
| Lightness | 27.3% |
| Contrast on white | 15.30 |
| Contrast on black | 1.37 |
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 | 15.30 | Pass | Pass | Pass | Pass |
| Black | 1.37 | Fail | Fail | Fail | Fail |
Similar colors
Sources
This name comes from the CSS color keywords.