indigo
- HEX
- #4b0082
- RGB
- rgb(75, 0, 130)
- HSL
- hsl(274.6, 100%, 25.5%)
- CMYK
- cmyk(42.3%, 100%, 0%, 49%)
- OKLCH
- oklch(33.9% 0.179 301.685)
indigo is a purple color with a cool undertone, written #4b0082 in hexadecimal.
Quick facts
| Family | Purple |
|---|---|
| Undertone | cool |
| Lightness | 25.5% |
| Contrast on white | 12.95 |
| Contrast on black | 1.62 |
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 | 12.95 | Pass | Pass | Pass | Pass |
| Black | 1.62 | Fail | Fail | Fail | Fail |
Similar colors
Sources
This name comes from the CSS color keywords.