black
#000000
#A5231F
#A5231F
Color Values
| Format | #000000 | #A5231F |
|---|---|---|
| HEX | #000000 | #A5231F |
| RGB | 0, 0, 0 | 165, 35, 31 |
| HSL | 0.0, 0.0%, 0.0% | 1.8, 68.4%, 38.4% |
| HSV | 0.0, 0.0%, 0.0% | 1.8, 81.2%, 64.7% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 78.8%, 81.2%, 35.3% |
| OKLCH | 0.0 0.0 0.0 | 0.473 0.1668 27.7 |
Contrast & Accessibility
2.86:1
AA Fail
AA Large Fail
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #A5231F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #A5231F
Color Difference (Delta E)
72.73
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #A5231F);
background: linear-gradient(135deg, #000000, #A5231F);