black
#000000
#F51111
#F51111
Color Values
| Format | #000000 | #F51111 |
|---|---|---|
| HEX | #000000 | #F51111 |
| RGB | 0, 0, 0 | 245, 17, 17 |
| HSL | 0.0, 0.0%, 0.0% | 0.0, 91.9%, 51.4% |
| HSV | 0.0, 0.0%, 0.0% | 0.0, 93.1%, 96.1% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 93.1%, 93.1%, 3.9% |
| OKLCH | 0.0 0.0 0.0 | 0.6131 0.246 28.7 |
Contrast & Accessibility
4.97:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #F51111 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #F51111
Color Difference (Delta E)
110.59
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #F51111);
background: linear-gradient(135deg, #000000, #F51111);