black
#000000
#646E7B
#646E7B
Color Values
| Format | #000000 | #646E7B |
|---|---|---|
| HEX | #000000 | #646E7B |
| RGB | 0, 0, 0 | 100, 110, 123 |
| HSL | 0.0, 0.0%, 0.0% | 213.9, 10.3%, 43.7% |
| HSV | 0.0, 0.0%, 0.0% | 213.9, 18.7%, 48.2% |
| CMYK | 0%, 0%, 0%, 100% | 18.7%, 10.6%, 0.0%, 51.8% |
| OKLCH | 0.0 0.0 0.0 | 0.5344 0.0238 255.0 |
Contrast & Accessibility
4.06:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #646E7B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #646E7B
Color Difference (Delta E)
46.81
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #646E7B);
background: linear-gradient(135deg, #000000, #646E7B);