black
#000000
#21828B
#21828B
Color Values
| Format | #000000 | #21828B |
|---|---|---|
| HEX | #000000 | #21828B |
| RGB | 0, 0, 0 | 33, 130, 139 |
| HSL | 0.0, 0.0%, 0.0% | 185.1, 61.6%, 33.7% |
| HSV | 0.0, 0.0%, 0.0% | 185.1, 76.3%, 54.5% |
| CMYK | 0%, 0%, 0%, 100% | 76.3%, 6.5%, 0.0%, 45.5% |
| OKLCH | 0.0 0.0 0.0 | 0.5571 0.0861 204.3 |
Contrast & Accessibility
4.63:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21828B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21828B
Color Difference (Delta E)
56.52
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21828B);
background: linear-gradient(135deg, #000000, #21828B);