black
#000000
#663BD3
#663BD3
Color Values
| Format | #000000 | #663BD3 |
|---|---|---|
| HEX | #000000 | #663BD3 |
| RGB | 0, 0, 0 | 102, 59, 211 |
| HSL | 0.0, 0.0%, 0.0% | 257.0, 63.3%, 52.9% |
| HSV | 0.0, 0.0%, 0.0% | 257.0, 72.0%, 82.7% |
| CMYK | 0%, 0%, 0%, 100% | 51.7%, 72.0%, 0.0%, 17.3% |
| OKLCH | 0.0 0.0 0.0 | 0.4981 0.2173 288.9 |
Contrast & Accessibility
3.13:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #663BD3 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #663BD3
Color Difference (Delta E)
97.91
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #663BD3);
background: linear-gradient(135deg, #000000, #663BD3);