#309ED5
Blue
HEX
RGB
HSL
About #309ED5 Blue
#309ED5 is a blue color. In the RGB color model, it is composed of 48 red, 158 green, and 213 blue. In the HSL color space, it has a hue of 200°, saturation of 66%, and lightness of 51%.
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 #309ED5 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
200°
Hue
66%
Saturation
51%
Lightness
Blue
Color Harmonies
Colors that work well with #309ED5 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #309ED5 against white and black backgrounds.
Aa#309ED5 on White
Contrast Ratio3.01:1
AA ✗AA Large ✓AAA ✗
Aa#309ED5 on Black
Contrast Ratio6.98:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #309ED5 across different color formats.
| Format | Value |
|---|---|
| HEX | #309ED5 |
| RGB | rgb(48, 158, 213) |
| HSL | hsl(200, 66%, 51%) |
| RGB Decimal | 48, 158, 213 |
| RGB Percent | 18.8%, 62.0%, 83.5% |
| CMYK (approx.) | 77%, 26%, 0%, 16% |
Related Palettes
12 palettes using #309ED5 or similar colors