#4278FF
Vivid Blue
HEX
RGB
HSL
About #4278FF Vivid Blue
#4278FF is a vivid blue color. In the RGB color model, it is composed of 66 red, 120 green, and 255 blue. In the HSL color space, it has a hue of 223°, 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 #4278FF in your CSS, SCSS, or Tailwind projects.
Color Properties
223°
Hue
100%
Saturation
63%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #4278FF based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #4278FF against white and black backgrounds.
Aa#4278FF on White
Contrast Ratio3.92:1
AA ✗AA Large ✓AAA ✗
Aa#4278FF on Black
Contrast Ratio5.36:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #4278FF across different color formats.
| Format | Value |
|---|---|
| HEX | #4278FF |
| RGB | rgb(66, 120, 255) |
| HSL | hsl(223, 100%, 63%) |
| RGB Decimal | 66, 120, 255 |
| RGB Percent | 25.9%, 47.1%, 100.0% |
| CMYK (approx.) | 74%, 53%, 0%, 0% |
Related Palettes
12 palettes using #4278FF or similar colors