#66A5CC
Blue
HEX
RGB
HSL
About #66A5CC Blue
#66A5CC is a blue color. In the RGB color model, it is composed of 102 red, 165 green, and 204 blue. In the HSL color space, it has a hue of 203°, 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 #66A5CC in your CSS, SCSS, or Tailwind projects.
Color Properties
203°
Hue
50%
Saturation
60%
Lightness
Blue
Color Harmonies
Colors that work well with #66A5CC based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #66A5CC against white and black backgrounds.
Aa#66A5CC on White
Contrast Ratio2.69:1
AA ✗AA Large ✗AAA ✗
Aa#66A5CC on Black
Contrast Ratio7.82:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #66A5CC across different color formats.
| Format | Value |
|---|---|
| HEX | #66A5CC |
| RGB | rgb(102, 165, 204) |
| HSL | hsl(203, 50%, 60%) |
| RGB Decimal | 102, 165, 204 |
| RGB Percent | 40.0%, 64.7%, 80.0% |
| CMYK (approx.) | 50%, 19%, 0%, 20% |
Related Palettes
12 palettes using #66A5CC or similar colors