black
#000000
#637F9B
#637F9B
Color Values
| Format | #000000 | #637F9B |
|---|---|---|
| HEX | #000000 | #637F9B |
| RGB | 0, 0, 0 | 99, 127, 155 |
| HSL | 0.0, 0.0%, 0.0% | 210.0, 22.0%, 49.8% |
| HSV | 0.0, 0.0%, 0.0% | 210.0, 36.1%, 60.8% |
| CMYK | 0%, 0%, 0%, 100% | 36.1%, 18.1%, 0.0%, 39.2% |
| OKLCH | 0.0 0.0 0.0 | 0.5854 0.0539 248.8 |
Contrast & Accessibility
5.04:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #637F9B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #637F9B
Color Difference (Delta E)
55.23
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #637F9B);
background: linear-gradient(135deg, #000000, #637F9B);