black
#000000
#637ADE
#637ADE
Color Values
| Format | #000000 | #637ADE |
|---|---|---|
| HEX | #000000 | #637ADE |
| RGB | 0, 0, 0 | 99, 122, 222 |
| HSL | 0.0, 0.0%, 0.0% | 228.8, 65.1%, 62.9% |
| HSV | 0.0, 0.0%, 0.0% | 228.8, 55.4%, 87.1% |
| CMYK | 0%, 0%, 0%, 100% | 55.4%, 45.0%, 0.0%, 12.9% |
| OKLCH | 0.0 0.0 0.0 | 0.6098 0.1532 271.5 |
Contrast & Accessibility
5.37:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #637ADE → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #637ADE
Color Difference (Delta E)
78.81
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #637ADE);
background: linear-gradient(135deg, #000000, #637ADE);