#66D0E5
Blue
HEX
RGB
HSL
About #66D0E5 Blue
#66D0E5 is a blue color. In the RGB color model, it is composed of 102 red, 208 green, and 229 blue. In the HSL color space, it has a hue of 190°, saturation of 71%, and lightness of 65%.
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 #66D0E5 in your CSS, SCSS, or Tailwind projects.
Color Properties
190°
Hue
71%
Saturation
65%
Lightness
Blue
Color Harmonies
Colors that work well with #66D0E5 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #66D0E5 against white and black backgrounds.
Aa#66D0E5 on White
Contrast Ratio1.79:1
AA ✗AA Large ✗AAA ✗
Aa#66D0E5 on Black
Contrast Ratio11.72:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #66D0E5 across different color formats.
| Format | Value |
|---|---|
| HEX | #66D0E5 |
| RGB | rgb(102, 208, 229) |
| HSL | hsl(190, 71%, 65%) |
| RGB Decimal | 102, 208, 229 |
| RGB Percent | 40.0%, 81.6%, 89.8% |
| CMYK (approx.) | 55%, 9%, 0%, 10% |
Related Palettes
12 palettes using #66D0E5 or similar colors