black
#000000
#666B99
#666B99
Color Values
| Format | #000000 | #666B99 |
|---|---|---|
| HEX | #000000 | #666B99 |
| RGB | 0, 0, 0 | 102, 107, 153 |
| HSL | 0.0, 0.0%, 0.0% | 234.1, 20.0%, 50.0% |
| HSV | 0.0, 0.0%, 0.0% | 234.1, 33.3%, 60.0% |
| CMYK | 0%, 0%, 0%, 100% | 33.3%, 30.1%, 0.0%, 40.0% |
| OKLCH | 0.0 0.0 0.0 | 0.5423 0.072 278.9 |
Contrast & Accessibility
4.13:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #666B99 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #666B99
Color Difference (Delta E)
53.92
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #666B99);
background: linear-gradient(135deg, #000000, #666B99);