black
#000000
#F00303
#F00303
Color Values
| Format | #000000 | #F00303 |
|---|---|---|
| HEX | #000000 | #F00303 |
| RGB | 0, 0, 0 | 240, 3, 3 |
| HSL | 0.0, 0.0%, 0.0% | 0.0, 97.5%, 47.6% |
| HSV | 0.0, 0.0%, 0.0% | 0.0, 98.8%, 94.1% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 98.8%, 98.8%, 5.9% |
| OKLCH | 0.0 0.0 0.0 | 0.6004 0.2455 29.1 |
Contrast & Accessibility
4.72:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #F00303 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #F00303
Color Difference (Delta E)
111.18
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #F00303);
background: linear-gradient(135deg, #000000, #F00303);