#3778B9
Blue
HEX
RGB
HSL
About #3778B9 Blue
#3778B9 is a blue color. In the RGB color model, it is composed of 55 red, 120 green, and 185 blue. In the HSL color space, it has a hue of 210°, saturation of 54%, and lightness of 47%.
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 #3778B9 in your CSS, SCSS, or Tailwind projects.
Color Properties
210°
Hue
54%
Saturation
47%
Lightness
Blue
Color Harmonies
Colors that work well with #3778B9 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3778B9 against white and black backgrounds.
Aa#3778B9 on White
Contrast Ratio4.62:1
AA ✓AA Large ✓AAA ✗
Aa#3778B9 on Black
Contrast Ratio4.55:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3778B9 across different color formats.
| Format | Value |
|---|---|
| HEX | #3778B9 |
| RGB | rgb(55, 120, 185) |
| HSL | hsl(210, 54%, 47%) |
| RGB Decimal | 55, 120, 185 |
| RGB Percent | 21.6%, 47.1%, 72.5% |
| CMYK (approx.) | 70%, 35%, 0%, 27% |
Related Palettes
12 palettes using #3778B9 or similar colors