#3F37B3
Blue
HEX
RGB
HSL
About #3F37B3 Blue
#3F37B3 is a blue color. In the RGB color model, it is composed of 63 red, 55 green, and 179 blue. In the HSL color space, it has a hue of 244°, 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 #3F37B3 in your CSS, SCSS, or Tailwind projects.
Color Properties
244°
Hue
53%
Saturation
46%
Lightness
Blue
Color Harmonies
Colors that work well with #3F37B3 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3F37B3 against white and black backgrounds.
Aa#3F37B3 on White
Contrast Ratio8.72:1
AA ✓AA Large ✓AAA ✓
Aa#3F37B3 on Black
Contrast Ratio2.41:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #3F37B3 across different color formats.
| Format | Value |
|---|---|
| HEX | #3F37B3 |
| RGB | rgb(63, 55, 179) |
| HSL | hsl(244, 53%, 46%) |
| RGB Decimal | 63, 55, 179 |
| RGB Percent | 24.7%, 21.6%, 70.2% |
| CMYK (approx.) | 65%, 69%, 0%, 30% |
Related Palettes
12 palettes using #3F37B3 or similar colors