black
#000000
#638B8C
#638B8C
Color Values
| Format | #000000 | #638B8C |
|---|---|---|
| HEX | #000000 | #638B8C |
| RGB | 0, 0, 0 | 99, 139, 140 |
| HSL | 0.0, 0.0%, 0.0% | 181.5, 17.2%, 46.9% |
| HSV | 0.0, 0.0%, 0.0% | 181.5, 29.3%, 54.9% |
| CMYK | 0%, 0%, 0%, 100% | 29.3%, 0.7%, 0.0%, 45.1% |
| OKLCH | 0.0 0.0 0.0 | 0.6077 0.0442 198.0 |
Contrast & Accessibility
5.6:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #638B8C → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #638B8C
Color Difference (Delta E)
56.92
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #638B8C);
background: linear-gradient(135deg, #000000, #638B8C);