black
#000000
#EF101F
#EF101F
Color Values
| Format | #000000 | #EF101F |
|---|---|---|
| HEX | #000000 | #EF101F |
| RGB | 0, 0, 0 | 239, 16, 31 |
| HSL | 0.0, 0.0%, 0.0% | 356.0, 87.5%, 50.0% |
| HSV | 0.0, 0.0%, 0.0% | 356.0, 93.3%, 93.7% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 93.3%, 87.0%, 6.3% |
| OKLCH | 0.0 0.0 0.0 | 0.6024 0.2406 27.0 |
Contrast & Accessibility
4.76:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #EF101F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #EF101F
Color Difference (Delta E)
105.53
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #EF101F);
background: linear-gradient(135deg, #000000, #EF101F);