#309DB5
Blue
HEX
RGB
HSL
About #309DB5 Blue
#309DB5 is a blue color. In the RGB color model, it is composed of 48 red, 157 green, and 181 blue. In the HSL color space, it has a hue of 191°, saturation of 58%, and lightness of 45%.
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 #309DB5 in your CSS, SCSS, or Tailwind projects.
Color Properties
191°
Hue
58%
Saturation
45%
Lightness
Blue
Color Harmonies
Colors that work well with #309DB5 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #309DB5 against white and black backgrounds.
Aa#309DB5 on White
Contrast Ratio3.17:1
AA ✗AA Large ✓AAA ✗
Aa#309DB5 on Black
Contrast Ratio6.62:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #309DB5 across different color formats.
| Format | Value |
|---|---|
| HEX | #309DB5 |
| RGB | rgb(48, 157, 181) |
| HSL | hsl(191, 58%, 45%) |
| RGB Decimal | 48, 157, 181 |
| RGB Percent | 18.8%, 61.6%, 71.0% |
| CMYK (approx.) | 73%, 13%, 0%, 29% |
Related Palettes
12 palettes using #309DB5 or similar colors