black
#000000
#21718F
#21718F
Color Values
| Format | #000000 | #21718F |
|---|---|---|
| HEX | #000000 | #21718F |
| RGB | 0, 0, 0 | 33, 113, 143 |
| HSL | 0.0, 0.0%, 0.0% | 196.4, 62.5%, 34.5% |
| HSV | 0.0, 0.0%, 0.0% | 196.4, 76.9%, 56.1% |
| CMYK | 0%, 0%, 0%, 100% | 76.9%, 21.0%, 0.0%, 43.9% |
| OKLCH | 0.0 0.0 0.0 | 0.5151 0.0879 227.8 |
Contrast & Accessibility
3.82:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21718F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21718F
Color Difference (Delta E)
51.79
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21718F);
background: linear-gradient(135deg, #000000, #21718F);