#309FBB
Blue
HEX
RGB
HSL
About #309FBB Blue
#309FBB is a blue color. In the RGB color model, it is composed of 48 red, 159 green, and 187 blue. In the HSL color space, it has a hue of 192°, saturation of 59%, 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 & Gradients
Use #309FBB in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
192°
Hue
59%
Saturation
46%
Lightness
Blue
Color Harmonies
Colors that work well with #309FBB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #309FBB against white and black backgrounds.
Aa#309FBB on White
Contrast Ratio3.09:1
AA ✗AA Large ✓AAA ✗
Aa#309FBB on Black
Contrast Ratio6.8:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #309FBB across different color formats.
| Format | Value |
|---|---|
| HEX | #309FBB |
| RGB | rgb(48, 159, 187) |
| HSL | hsl(192, 59%, 46%) |
| RGB Decimal | 48, 159, 187 |
| RGB Percent | 18.8%, 62.4%, 73.3% |
| CMYK (approx.) | 74%, 15%, 0%, 27% |
Related Palettes
12 palettes using #309FBB or similar colors