#309BB5
Blue
HEX
RGB
HSL
About #309BB5 Blue
#309BB5 is a blue color. In the RGB color model, it is composed of 48 red, 155 green, and 181 blue. In the HSL color space, it has a hue of 192°, 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 #309BB5 in your CSS, SCSS, or Tailwind projects.
Color Properties
192°
Hue
58%
Saturation
45%
Lightness
Blue
Color Harmonies
Colors that work well with #309BB5 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #309BB5 against white and black backgrounds.
Aa#309BB5 on White
Contrast Ratio3.24:1
AA ✗AA Large ✓AAA ✗
Aa#309BB5 on Black
Contrast Ratio6.48:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #309BB5 across different color formats.
| Format | Value |
|---|---|
| HEX | #309BB5 |
| RGB | rgb(48, 155, 181) |
| HSL | hsl(192, 58%, 45%) |
| RGB Decimal | 48, 155, 181 |
| RGB Percent | 18.8%, 60.8%, 71.0% |
| CMYK (approx.) | 73%, 14%, 0%, 29% |
Related Palettes
12 palettes using #309BB5 or similar colors