black
#000000
#663FCC
#663FCC
Color Values
| Format | #000000 | #663FCC |
|---|---|---|
| HEX | #000000 | #663FCC |
| RGB | 0, 0, 0 | 102, 63, 204 |
| HSL | 0.0, 0.0%, 0.0% | 256.6, 58.0%, 52.4% |
| HSV | 0.0, 0.0%, 0.0% | 256.6, 69.1%, 80.0% |
| CMYK | 0%, 0%, 0%, 100% | 50.0%, 69.1%, 0.0%, 20.0% |
| OKLCH | 0.0 0.0 0.0 | 0.4973 0.2048 289.5 |
Contrast & Accessibility
3.15:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #663FCC → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #663FCC
Color Difference (Delta E)
92.66
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #663FCC);
background: linear-gradient(135deg, #000000, #663FCC);