black
#000000
#B5101F
#B5101F
Color Values
| Format | #000000 | #B5101F |
|---|---|---|
| HEX | #000000 | #B5101F |
| RGB | 0, 0, 0 | 181, 16, 31 |
| HSL | 0.0, 0.0%, 0.0% | 354.5, 83.8%, 38.6% |
| HSV | 0.0, 0.0%, 0.0% | 354.5, 91.2%, 71.0% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 91.2%, 82.9%, 29.0% |
| OKLCH | 0.0 0.0 0.0 | 0.4922 0.1923 25.3 |
Contrast & Accessibility
3.06:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #B5101F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #B5101F
Color Difference (Delta E)
81.47
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #B5101F);
background: linear-gradient(135deg, #000000, #B5101F);