#666DCC
Blue
HEX
RGB
HSL
About #666DCC Blue
#666DCC is a blue color. In the RGB color model, it is composed of 102 red, 109 green, and 204 blue. In the HSL color space, it has a hue of 236°, saturation of 50%, and lightness of 60%.
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 #666DCC in your CSS, SCSS, or Tailwind projects.
Color Properties
236°
Hue
50%
Saturation
60%
Lightness
Blue
Color Harmonies
Colors that work well with #666DCC based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #666DCC against white and black backgrounds.
Aa#666DCC on White
Contrast Ratio4.54:1
AA ✓AA Large ✓AAA ✗
Aa#666DCC on Black
Contrast Ratio4.62:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #666DCC across different color formats.
| Format | Value |
|---|---|
| HEX | #666DCC |
| RGB | rgb(102, 109, 204) |
| HSL | hsl(236, 50%, 60%) |
| RGB Decimal | 102, 109, 204 |
| RGB Percent | 40.0%, 42.7%, 80.0% |
| CMYK (approx.) | 50%, 47%, 0%, 20% |
Related Palettes
12 palettes using #666DCC or similar colors