#428EFF
Vivid Blue
HEX
RGB
HSL
About #428EFF Vivid Blue
#428EFF is a vivid blue color. In the RGB color model, it is composed of 66 red, 142 green, and 255 blue. In the HSL color space, it has a hue of 216°, saturation of 100%, and lightness of 63%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With high saturation, it appears vibrant and eye-catching.
CSS Code
Use #428EFF in your CSS, SCSS, or Tailwind projects.
Color Properties
216°
Hue
100%
Saturation
63%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #428EFF based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #428EFF against white and black backgrounds.
Aa#428EFF on White
Contrast Ratio3.21:1
AA ✗AA Large ✓AAA ✗
Aa#428EFF on Black
Contrast Ratio6.54:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #428EFF across different color formats.
| Format | Value |
|---|---|
| HEX | #428EFF |
| RGB | rgb(66, 142, 255) |
| HSL | hsl(216, 100%, 63%) |
| RGB Decimal | 66, 142, 255 |
| RGB Percent | 25.9%, 55.7%, 100.0% |
| CMYK (approx.) | 74%, 44%, 0%, 0% |
Related Palettes
12 palettes using #428EFF or similar colors