black
#000000
#637C79
#637C79
Color Values
| Format | #000000 | #637C79 |
|---|---|---|
| HEX | #000000 | #637C79 |
| RGB | 0, 0, 0 | 99, 124, 121 |
| HSL | 0.0, 0.0%, 0.0% | 172.8, 11.2%, 43.7% |
| HSV | 0.0, 0.0%, 0.0% | 172.8, 20.2%, 48.6% |
| CMYK | 0%, 0%, 0%, 100% | 20.2%, 0.0%, 2.4%, 51.4% |
| OKLCH | 0.0 0.0 0.0 | 0.5656 0.0294 187.4 |
Contrast & Accessibility
4.69:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #637C79 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #637C79
Color Difference (Delta E)
50.98
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #637C79);
background: linear-gradient(135deg, #000000, #637C79);