black
#000000
#B7101D
#B7101D
Color Values
| Format | #000000 | #B7101D |
|---|---|---|
| HEX | #000000 | #B7101D |
| RGB | 0, 0, 0 | 183, 16, 29 |
| HSL | 0.0, 0.0%, 0.0% | 355.3, 83.9%, 39.0% |
| HSV | 0.0, 0.0%, 0.0% | 355.3, 91.3%, 71.8% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 91.3%, 84.2%, 28.2% |
| OKLCH | 0.0 0.0 0.0 | 0.4959 0.1942 25.9 |
Contrast & Accessibility
3.11:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #B7101D → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #B7101D
Color Difference (Delta E)
82.81
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #B7101D);
background: linear-gradient(135deg, #000000, #B7101D);