black
#000000
#D51F1F
#D51F1F
Color Values
| Format | #000000 | #D51F1F |
|---|---|---|
| HEX | #000000 | #D51F1F |
| RGB | 0, 0, 0 | 213, 31, 31 |
| HSL | 0.0, 0.0%, 0.0% | 0.0, 74.6%, 47.8% |
| HSV | 0.0, 0.0%, 0.0% | 0.0, 85.4%, 83.5% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 85.4%, 85.4%, 16.5% |
| OKLCH | 0.0 0.0 0.0 | 0.5597 0.2134 27.7 |
Contrast & Accessibility
4.05:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #D51F1F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #D51F1F
Color Difference (Delta E)
93.99
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #D51F1F);
background: linear-gradient(135deg, #000000, #D51F1F);