black
#000000
#288FA3
#288FA3
Color Values
| Format | #000000 | #288FA3 |
|---|---|---|
| HEX | #000000 | #288FA3 |
| RGB | 0, 0, 0 | 40, 143, 163 |
| HSL | 0.0, 0.0%, 0.0% | 189.8, 60.6%, 39.8% |
| HSV | 0.0, 0.0%, 0.0% | 189.8, 75.5%, 63.9% |
| CMYK | 0%, 0%, 0%, 100% | 75.5%, 12.3%, 0.0%, 36.1% |
| OKLCH | 0.0 0.0 0.0 | 0.6017 0.0946 213.8 |
Contrast & Accessibility
5.55:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #288FA3 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #288FA3
Color Difference (Delta E)
61.92
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #288FA3);
background: linear-gradient(135deg, #000000, #288FA3);