black
#000000
#397ECC
#397ECC
Color Values
| Format | #000000 | #397ECC |
|---|---|---|
| HEX | #000000 | #397ECC |
| RGB | 0, 0, 0 | 57, 126, 204 |
| HSL | 0.0, 0.0%, 0.0% | 211.8, 59.0%, 51.2% |
| HSV | 0.0, 0.0%, 0.0% | 211.8, 72.1%, 80.0% |
| CMYK | 0%, 0%, 0%, 100% | 72.1%, 38.2%, 0.0%, 20.0% |
| OKLCH | 0.0 0.0 0.0 | 0.5869 0.1386 253.6 |
Contrast & Accessibility
5.03:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #397ECC → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #397ECC
Color Difference (Delta E)
70.02
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #397ECC);
background: linear-gradient(135deg, #000000, #397ECC);