black
#000000
#555B66
#555B66
Color Values
| Format | #000000 | #555B66 |
|---|---|---|
| HEX | #000000 | #555B66 |
| RGB | 0, 0, 0 | 85, 91, 102 |
| HSL | 0.0, 0.0%, 0.0% | 218.8, 9.1%, 36.7% |
| HSV | 0.0, 0.0%, 0.0% | 218.8, 16.7%, 40.0% |
| CMYK | 0%, 0%, 0%, 100% | 16.7%, 10.8%, 0.0%, 60.0% |
| OKLCH | 0.0 0.0 0.0 | 0.4699 0.0193 262.7 |
Contrast & Accessibility
3.07:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #555B66 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #555B66
Color Difference (Delta E)
39.15
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #555B66);
background: linear-gradient(135deg, #000000, #555B66);