black
#000000
#EF403E
#EF403E
Color Values
| Format | #000000 | #EF403E |
|---|---|---|
| HEX | #000000 | #EF403E |
| RGB | 0, 0, 0 | 239, 64, 62 |
| HSL | 0.0, 0.0%, 0.0% | 0.7, 84.7%, 59.0% |
| HSV | 0.0, 0.0%, 0.0% | 0.7, 74.1%, 93.7% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 73.2%, 74.1%, 6.3% |
| OKLCH | 0.0 0.0 0.0 | 0.6324 0.2119 26.2 |
Contrast & Accessibility
5.47:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #EF403E → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #EF403E
Color Difference (Delta E)
95.08
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #EF403E);
background: linear-gradient(135deg, #000000, #EF403E);