black
#000000
#557B7B
#557B7B
Color Values
| Format | #000000 | #557B7B |
|---|---|---|
| HEX | #000000 | #557B7B |
| RGB | 0, 0, 0 | 85, 123, 123 |
| HSL | 0.0, 0.0%, 0.0% | 180.0, 18.3%, 40.8% |
| HSV | 0.0, 0.0%, 0.0% | 180.0, 30.9%, 48.2% |
| CMYK | 0%, 0%, 0%, 100% | 30.9%, 0.0%, 0.0%, 51.8% |
| OKLCH | 0.0 0.0 0.0 | 0.5546 0.0426 196.0 |
Contrast & Accessibility
4.51:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #557B7B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #557B7B
Color Difference (Delta E)
50.86
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #557B7B);
background: linear-gradient(135deg, #000000, #557B7B);