#3B81BF
Blue
HEX
RGB
HSL
About #3B81BF Blue
#3B81BF is a blue color. In the RGB color model, it is composed of 59 red, 129 green, and 191 blue. In the HSL color space, it has a hue of 208°, saturation of 53%, and lightness of 49%.
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 #3B81BF in your CSS, SCSS, or Tailwind projects.
Color Properties
208°
Hue
53%
Saturation
49%
Lightness
Blue
Color Harmonies
Colors that work well with #3B81BF based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3B81BF against white and black backgrounds.
Aa#3B81BF on White
Contrast Ratio4.14:1
AA ✗AA Large ✓AAA ✗
Aa#3B81BF on Black
Contrast Ratio5.08:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3B81BF across different color formats.
| Format | Value |
|---|---|
| HEX | #3B81BF |
| RGB | rgb(59, 129, 191) |
| HSL | hsl(208, 53%, 49%) |
| RGB Decimal | 59, 129, 191 |
| RGB Percent | 23.1%, 50.6%, 74.9% |
| CMYK (approx.) | 69%, 32%, 0%, 25% |
Related Palettes
12 palettes using #3B81BF or similar colors