black
#000000
#66738C
#66738C
Color Values
| Format | #000000 | #66738C |
|---|---|---|
| HEX | #000000 | #66738C |
| RGB | 0, 0, 0 | 102, 115, 140 |
| HSL | 0.0, 0.0%, 0.0% | 219.5, 15.7%, 47.5% |
| HSV | 0.0, 0.0%, 0.0% | 219.5, 27.1%, 54.9% |
| CMYK | 0%, 0%, 0%, 100% | 27.1%, 17.9%, 0.0%, 45.1% |
| OKLCH | 0.0 0.0 0.0 | 0.5541 0.0421 263.4 |
Contrast & Accessibility
4.4:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #66738C → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #66738C
Color Difference (Delta E)
50.6
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #66738C);
background: linear-gradient(135deg, #000000, #66738C);