black
#000000
#66639D
#66639D
Color Values
| Format | #000000 | #66639D |
|---|---|---|
| HEX | #000000 | #66639D |
| RGB | 0, 0, 0 | 102, 99, 157 |
| HSL | 0.0, 0.0%, 0.0% | 243.1, 22.8%, 50.2% |
| HSV | 0.0, 0.0%, 0.0% | 243.1, 36.9%, 61.6% |
| CMYK | 0%, 0%, 0%, 100% | 35.0%, 36.9%, 0.0%, 38.4% |
| OKLCH | 0.0 0.0 0.0 | 0.5274 0.0902 285.2 |
Contrast & Accessibility
3.84:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #66639D → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #66639D
Color Difference (Delta E)
56.45
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #66639D);
background: linear-gradient(135deg, #000000, #66639D);