black
#000000
#66657A
#66657A
Color Values
| Format | #000000 | #66657A |
|---|---|---|
| HEX | #000000 | #66657A |
| RGB | 0, 0, 0 | 102, 101, 122 |
| HSL | 0.0, 0.0%, 0.0% | 242.9, 9.4%, 43.7% |
| HSV | 0.0, 0.0%, 0.0% | 242.9, 17.2%, 47.8% |
| CMYK | 0%, 0%, 0%, 100% | 16.4%, 17.2%, 0.0%, 52.2% |
| OKLCH | 0.0 0.0 0.0 | 0.5153 0.0329 287.4 |
Contrast & Accessibility
3.71:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #66657A → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #66657A
Color Difference (Delta E)
45.36
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #66657A);
background: linear-gradient(135deg, #000000, #66657A);