black
#000000
#F81513
#F81513
Color Values
| Format | #000000 | #F81513 |
|---|---|---|
| HEX | #000000 | #F81513 |
| RGB | 0, 0, 0 | 248, 21, 19 |
| HSL | 0.0, 0.0%, 0.0% | 0.5, 94.2%, 52.4% |
| HSV | 0.0, 0.0%, 0.0% | 0.5, 92.3%, 97.3% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 91.5%, 92.3%, 2.7% |
| OKLCH | 0.0 0.0 0.0 | 0.6198 0.2473 28.8 |
Contrast & Accessibility
5.11:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #F81513 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #F81513
Color Difference (Delta E)
111.24
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #F81513);
background: linear-gradient(135deg, #000000, #F81513);