black
#000000
#FF5557
#FF5557
Color Values
| Format | #000000 | #FF5557 |
|---|---|---|
| HEX | #000000 | #FF5557 |
| RGB | 0, 0, 0 | 255, 85, 87 |
| HSL | 0.0, 0.0%, 0.0% | 359.3, 100.0%, 66.7% |
| HSV | 0.0, 0.0%, 0.0% | 359.3, 66.7%, 100.0% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 66.7%, 65.9%, 0.0% |
| OKLCH | 0.0 0.0 0.0 | 0.6825 0.2061 23.8 |
Contrast & Accessibility
6.69:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #FF5557 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #FF5557
Color Difference (Delta E)
95.02
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #FF5557);
background: linear-gradient(135deg, #000000, #FF5557);