black
#000000
#663DC9
#663DC9
Color Values
| Format | #000000 | #663DC9 |
|---|---|---|
| HEX | #000000 | #663DC9 |
| RGB | 0, 0, 0 | 102, 61, 201 |
| HSL | 0.0, 0.0%, 0.0% | 257.6, 56.5%, 51.4% |
| HSV | 0.0, 0.0%, 0.0% | 257.6, 69.7%, 78.8% |
| CMYK | 0%, 0%, 0%, 100% | 49.3%, 69.7%, 0.0%, 21.2% |
| OKLCH | 0.0 0.0 0.0 | 0.4921 0.2036 290.3 |
Contrast & Accessibility
3.08:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #663DC9 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #663DC9
Color Difference (Delta E)
91.98
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #663DC9);
background: linear-gradient(135deg, #000000, #663DC9);