black
#000000
#40666C
#40666C
Color Values
| Format | #000000 | #40666C |
|---|---|---|
| HEX | #000000 | #40666C |
| RGB | 0, 0, 0 | 64, 102, 108 |
| HSL | 0.0, 0.0%, 0.0% | 188.2, 25.6%, 33.7% |
| HSV | 0.0, 0.0%, 0.0% | 188.2, 40.7%, 42.4% |
| CMYK | 0%, 0%, 0%, 100% | 40.7%, 5.6%, 0.0%, 57.6% |
| OKLCH | 0.0 0.0 0.0 | 0.4842 0.0441 208.4 |
Contrast & Accessibility
3.34:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #40666C → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #40666C
Color Difference (Delta E)
43.04
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #40666C);
background: linear-gradient(135deg, #000000, #40666C);