black
#000000
#257ADA
#257ADA
Color Values
| Format | #000000 | #257ADA |
|---|---|---|
| HEX | #000000 | #257ADA |
| RGB | 0, 0, 0 | 37, 122, 218 |
| HSL | 0.0, 0.0%, 0.0% | 211.8, 71.0%, 50.0% |
| HSV | 0.0, 0.0%, 0.0% | 211.8, 83.0%, 85.5% |
| CMYK | 0%, 0%, 0%, 100% | 83.0%, 44.0%, 0.0%, 14.5% |
| OKLCH | 0.0 0.0 0.0 | 0.5811 0.1667 254.8 |
Contrast & Accessibility
4.87:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #257ADA → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #257ADA
Color Difference (Delta E)
76.51
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #257ADA);
background: linear-gradient(135deg, #000000, #257ADA);