black
#000000
#F31F1F
#F31F1F
Color Values
| Format | #000000 | #F31F1F |
|---|---|---|
| HEX | #000000 | #F31F1F |
| RGB | 0, 0, 0 | 243, 31, 31 |
| HSL | 0.0, 0.0%, 0.0% | 0.0, 89.8%, 53.7% |
| HSV | 0.0, 0.0%, 0.0% | 0.0, 87.2%, 95.3% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 87.2%, 87.2%, 4.7% |
| OKLCH | 0.0 0.0 0.0 | 0.6149 0.2389 28.1 |
Contrast & Accessibility
5.03:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #F31F1F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #F31F1F
Color Difference (Delta E)
106.33
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #F31F1F);
background: linear-gradient(135deg, #000000, #F31F1F);