black
#000000
#663FBD
#663FBD
Color Values
| Format | #000000 | #663FBD |
|---|---|---|
| HEX | #000000 | #663FBD |
| RGB | 0, 0, 0 | 102, 63, 189 |
| HSL | 0.0, 0.0%, 0.0% | 258.6, 50.0%, 49.4% |
| HSV | 0.0, 0.0%, 0.0% | 258.6, 66.7%, 74.1% |
| CMYK | 0%, 0%, 0%, 100% | 46.0%, 66.7%, 0.0%, 25.9% |
| OKLCH | 0.0 0.0 0.0 | 0.485 0.187 292.2 |
Contrast & Accessibility
3.01:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #663FBD → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #663FBD
Color Difference (Delta E)
84.99
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #663FBD);
background: linear-gradient(135deg, #000000, #663FBD);