black
#000000
#21737B
#21737B
Color Values
| Format | #000000 | #21737B |
|---|---|---|
| HEX | #000000 | #21737B |
| RGB | 0, 0, 0 | 33, 115, 123 |
| HSL | 0.0, 0.0%, 0.0% | 185.3, 57.7%, 30.6% |
| HSV | 0.0, 0.0%, 0.0% | 185.3, 73.2%, 48.2% |
| CMYK | 0%, 0%, 0%, 100% | 73.2%, 6.5%, 0.0%, 51.8% |
| OKLCH | 0.0 0.0 0.0 | 0.5113 0.0767 204.6 |
Contrast & Accessibility
3.8:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21737B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21737B
Color Difference (Delta E)
50.35
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21737B);
background: linear-gradient(135deg, #000000, #21737B);