Windows Blue Color — #3778BF: Codes, Palettes & Contrast
Windows Blue (#3778BF) color codes in RGB, HSL, and OKLCH, the most readable text color on it, WCAG contrast ratios against white and black, and matching color palettes.
Windows Blue is a named blue color, ready to use anywhere you need it.
Windows Blue#3778BF
Windows Blue color codes
| HEX | #3778BF |
|---|---|
| RGB | rgb(55, 120, 191) |
| HSL | hsl(211, 55%, 48%) |
| OKLCH | oklch(0.565 0.129 252.8) |
Browse more blue colors.
Readable text on Windows Blue
Black text (#000000) has the higher contrast against this background: 4.60:1.
| Text color | Ratio | Normal text AA | Normal text AAA |
|---|---|---|---|
| Black | 4.6:1 | Pass | Fail |
| White | 4.56:1 | Pass | Fail |
Normal text requires at least 4.5:1 for WCAG AA and 7:1 for AAA. Check another combination.