black
#000000
#666F9F
#666F9F
Color Values
| Format | #000000 | #666F9F |
|---|---|---|
| HEX | #000000 | #666F9F |
| RGB | 0, 0, 0 | 102, 111, 159 |
| HSL | 0.0, 0.0%, 0.0% | 230.5, 22.9%, 51.2% |
| HSV | 0.0, 0.0%, 0.0% | 230.5, 35.8%, 62.4% |
| CMYK | 0%, 0%, 0%, 100% | 35.8%, 30.2%, 0.0%, 37.6% |
| OKLCH | 0.0 0.0 0.0 | 0.5538 0.0755 275.5 |
Contrast & Accessibility
4.34:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #666F9F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #666F9F
Color Difference (Delta E)
55.64
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #666F9F);
background: linear-gradient(135deg, #000000, #666F9F);