black
#000000
#EF103F
#EF103F
Color Values
| Format | #000000 | #EF103F |
|---|---|---|
| HEX | #000000 | #EF103F |
| RGB | 0, 0, 0 | 239, 16, 63 |
| HSL | 0.0, 0.0%, 0.0% | 347.4, 87.5%, 50.0% |
| HSV | 0.0, 0.0%, 0.0% | 347.4, 93.3%, 93.7% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 93.3%, 73.6%, 6.3% |
| OKLCH | 0.0 0.0 0.0 | 0.6056 0.2385 20.5 |
Contrast & Accessibility
4.82:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #EF103F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #EF103F
Color Difference (Delta E)
98.8
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #EF103F);
background: linear-gradient(135deg, #000000, #EF103F);