#428FD7
Blue
HEX
RGB
HSL
About #428FD7 Blue
#428FD7 is a blue color. In the RGB color model, it is composed of 66 red, 143 green, and 215 blue. In the HSL color space, it has a hue of 209°, saturation of 65%, and lightness of 55%.
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 #428FD7 in your CSS, SCSS, or Tailwind projects.
Color Properties
209°
Hue
65%
Saturation
55%
Lightness
Blue
Color Harmonies
Colors that work well with #428FD7 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #428FD7 against white and black backgrounds.
Aa#428FD7 on White
Contrast Ratio3.42:1
AA ✗AA Large ✓AAA ✗
Aa#428FD7 on Black
Contrast Ratio6.14:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #428FD7 across different color formats.
| Format | Value |
|---|---|
| HEX | #428FD7 |
| RGB | rgb(66, 143, 215) |
| HSL | hsl(209, 65%, 55%) |
| RGB Decimal | 66, 143, 215 |
| RGB Percent | 25.9%, 56.1%, 84.3% |
| CMYK (approx.) | 69%, 33%, 0%, 16% |
Related Palettes
12 palettes using #428FD7 or similar colors