black
#000000
#F51C1C
#F51C1C
Color Values
| Format | #000000 | #F51C1C |
|---|---|---|
| HEX | #000000 | #F51C1C |
| RGB | 0, 0, 0 | 245, 28, 28 |
| HSL | 0.0, 0.0%, 0.0% | 0.0, 91.6%, 53.5% |
| HSV | 0.0, 0.0%, 0.0% | 0.0, 88.6%, 96.1% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 88.6%, 88.6%, 3.9% |
| OKLCH | 0.0 0.0 0.0 | 0.6172 0.2419 28.3 |
Contrast & Accessibility
5.07:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #F51C1C → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #F51C1C
Color Difference (Delta E)
107.96
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #F51C1C);
background: linear-gradient(135deg, #000000, #F51C1C);