black
#000000
#637D8C
#637D8C
Color Values
| Format | #000000 | #637D8C |
|---|---|---|
| HEX | #000000 | #637D8C |
| RGB | 0, 0, 0 | 99, 125, 140 |
| HSL | 0.0, 0.0%, 0.0% | 202.0, 17.2%, 46.9% |
| HSV | 0.0, 0.0%, 0.0% | 202.0, 29.3%, 54.9% |
| CMYK | 0%, 0%, 0%, 100% | 29.3%, 10.7%, 0.0%, 45.1% |
| OKLCH | 0.0 0.0 0.0 | 0.5748 0.0379 233.6 |
Contrast & Accessibility
4.84:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #637D8C → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #637D8C
Color Difference (Delta E)
52.46
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #637D8C);
background: linear-gradient(135deg, #000000, #637D8C);