black
#000000
#EF103D
#EF103D
Color Values
| Format | #000000 | #EF103D |
|---|---|---|
| HEX | #000000 | #EF103D |
| RGB | 0, 0, 0 | 239, 16, 61 |
| HSL | 0.0, 0.0%, 0.0% | 347.9, 87.5%, 50.0% |
| HSV | 0.0, 0.0%, 0.0% | 347.9, 93.3%, 93.7% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 93.3%, 74.5%, 6.3% |
| OKLCH | 0.0 0.0 0.0 | 0.6053 0.2385 21.0 |
Contrast & Accessibility
4.81:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #EF103D → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #EF103D
Color Difference (Delta E)
99.17
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #EF103D);
background: linear-gradient(135deg, #000000, #EF103D);