black
#000000
#663DA4
#663DA4
Color Values
| Format | #000000 | #663DA4 |
|---|---|---|
| HEX | #000000 | #663DA4 |
| RGB | 0, 0, 0 | 102, 61, 164 |
| HSL | 0.0, 0.0%, 0.0% | 263.9, 45.8%, 44.1% |
| HSV | 0.0, 0.0%, 0.0% | 263.9, 62.8%, 64.3% |
| CMYK | 0%, 0%, 0%, 100% | 37.8%, 62.8%, 0.0%, 35.7% |
| OKLCH | 0.0 0.0 0.0 | 0.4628 0.1592 298.3 |
Contrast & Accessibility
2.77:1
AA Fail
AA Large Fail
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #663DA4 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #663DA4
Color Difference (Delta E)
73.02
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #663DA4);
background: linear-gradient(135deg, #000000, #663DA4);