#666CE1
Blue
HEX
RGB
HSL
About #666CE1 Blue
#666CE1 is a blue color. In the RGB color model, it is composed of 102 red, 108 green, and 225 blue. In the HSL color space, it has a hue of 237°, saturation of 67%, and lightness of 64%.
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 #666CE1 in your CSS, SCSS, or Tailwind projects.
Color Properties
237°
Hue
67%
Saturation
64%
Lightness
Blue
Color Harmonies
Colors that work well with #666CE1 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #666CE1 against white and black backgrounds.
Aa#666CE1 on White
Contrast Ratio4.38:1
AA ✗AA Large ✓AAA ✗
Aa#666CE1 on Black
Contrast Ratio4.8:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #666CE1 across different color formats.
| Format | Value |
|---|---|
| HEX | #666CE1 |
| RGB | rgb(102, 108, 225) |
| HSL | hsl(237, 67%, 64%) |
| RGB Decimal | 102, 108, 225 |
| RGB Percent | 40.0%, 42.4%, 88.2% |
| CMYK (approx.) | 55%, 52%, 0%, 12% |
Related Palettes
12 palettes using #666CE1 or similar colors