black
#000000
#21737F
#21737F
Color Values
| Format | #000000 | #21737F |
|---|---|---|
| HEX | #000000 | #21737F |
| RGB | 0, 0, 0 | 33, 115, 127 |
| HSL | 0.0, 0.0%, 0.0% | 187.7, 58.8%, 31.4% |
| HSV | 0.0, 0.0%, 0.0% | 187.7, 74.0%, 49.8% |
| CMYK | 0%, 0%, 0%, 100% | 74.0%, 9.4%, 0.0%, 50.2% |
| OKLCH | 0.0 0.0 0.0 | 0.513 0.0778 209.2 |
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: #21737F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21737F
Color Difference (Delta E)
50.48
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21737F);
background: linear-gradient(135deg, #000000, #21737F);