black
#000000
#636C91
#636C91
Color Values
| Format | #000000 | #636C91 |
|---|---|---|
| HEX | #000000 | #636C91 |
| RGB | 0, 0, 0 | 99, 108, 145 |
| HSL | 0.0, 0.0%, 0.0% | 228.3, 18.9%, 47.8% |
| HSV | 0.0, 0.0%, 0.0% | 228.3, 31.7%, 56.9% |
| CMYK | 0%, 0%, 0%, 100% | 31.7%, 25.5%, 0.0%, 43.1% |
| OKLCH | 0.0 0.0 0.0 | 0.5383 0.0591 273.7 |
Contrast & Accessibility
4.08:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #636C91 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #636C91
Color Difference (Delta E)
51.22
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #636C91);
background: linear-gradient(135deg, #000000, #636C91);