black
#000000
#EF211F
#EF211F
Color Values
| Format | #000000 | #EF211F |
|---|---|---|
| HEX | #000000 | #EF211F |
| RGB | 0, 0, 0 | 239, 33, 31 |
| HSL | 0.0, 0.0%, 0.0% | 0.6, 86.7%, 52.9% |
| HSV | 0.0, 0.0%, 0.0% | 0.6, 87.0%, 93.7% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 86.2%, 87.0%, 6.3% |
| OKLCH | 0.0 0.0 0.0 | 0.6085 0.2347 28.2 |
Contrast & Accessibility
4.91:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #EF211F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #EF211F
Color Difference (Delta E)
104.58
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #EF211F);
background: linear-gradient(135deg, #000000, #EF211F);