#3777B3
Blue
HEX
RGB
HSL
About #3777B3 Blue
#3777B3 is a blue color. In the RGB color model, it is composed of 55 red, 119 green, and 179 blue. In the HSL color space, it has a hue of 209°, saturation of 53%, and lightness of 46%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #3777B3 in your CSS, SCSS, or Tailwind projects.
Color Properties
209°
Hue
53%
Saturation
46%
Lightness
Blue
Color Harmonies
Colors that work well with #3777B3 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3777B3 against white and black backgrounds.
Aa#3777B3 on White
Contrast Ratio4.72:1
AA ✓AA Large ✓AAA ✗
Aa#3777B3 on Black
Contrast Ratio4.45:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3777B3 across different color formats.
| Format | Value |
|---|---|
| HEX | #3777B3 |
| RGB | rgb(55, 119, 179) |
| HSL | hsl(209, 53%, 46%) |
| RGB Decimal | 55, 119, 179 |
| RGB Percent | 21.6%, 46.7%, 70.2% |
| CMYK (approx.) | 69%, 34%, 0%, 30% |
Related Palettes
12 palettes using #3777B3 or similar colors