black
#000000
#B71F1F
#B71F1F
Color Values
| Format | #000000 | #B71F1F |
|---|---|---|
| HEX | #000000 | #B71F1F |
| RGB | 0, 0, 0 | 183, 31, 31 |
| HSL | 0.0, 0.0%, 0.0% | 0.0, 71.0%, 42.0% |
| HSV | 0.0, 0.0%, 0.0% | 0.0, 83.1%, 71.8% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 83.1%, 83.1%, 28.2% |
| OKLCH | 0.0 0.0 0.0 | 0.5038 0.1866 27.2 |
Contrast & Accessibility
3.23:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #B71F1F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #B71F1F
Color Difference (Delta E)
81.15
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #B71F1F);
background: linear-gradient(135deg, #000000, #B71F1F);