#66BBDD
Blue
HEX
RGB
HSL
About #66BBDD Blue
#66BBDD is a blue color. In the RGB color model, it is composed of 102 red, 187 green, and 221 blue. In the HSL color space, it has a hue of 197°, saturation of 64%, and lightness of 63%.
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 & Gradients
Use #66BBDD in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
197°
Hue
64%
Saturation
63%
Lightness
Blue
Color Harmonies
Colors that work well with #66BBDD based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #66BBDD against white and black backgrounds.
Aa#66BBDD on White
Contrast Ratio2.16:1
AA ✗AA Large ✗AAA ✗
Aa#66BBDD on Black
Contrast Ratio9.72:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #66BBDD across different color formats.
| Format | Value |
|---|---|
| HEX | #66BBDD |
| RGB | rgb(102, 187, 221) |
| HSL | hsl(197, 64%, 63%) |
| RGB Decimal | 102, 187, 221 |
| RGB Percent | 40.0%, 73.3%, 86.7% |
| CMYK (approx.) | 54%, 15%, 0%, 13% |
Related Palettes
12 palettes using #66BBDD or similar colors