black
#000000
#21828F
#21828F
Color Values
| Format | #000000 | #21828F |
|---|---|---|
| HEX | #000000 | #21828F |
| RGB | 0, 0, 0 | 33, 130, 143 |
| HSL | 0.0, 0.0%, 0.0% | 187.1, 62.5%, 34.5% |
| HSV | 0.0, 0.0%, 0.0% | 187.1, 76.9%, 56.1% |
| CMYK | 0%, 0%, 0%, 100% | 76.9%, 9.1%, 0.0%, 43.9% |
| OKLCH | 0.0 0.0 0.0 | 0.5587 0.0871 208.4 |
Contrast & Accessibility
4.65:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21828F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21828F
Color Difference (Delta E)
56.63
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21828F);
background: linear-gradient(135deg, #000000, #21828F);