#666DA3
Muted Blue
HEX
RGB
HSL
About #666DA3 Muted Blue
#666DA3 is a muted blue color. In the RGB color model, it is composed of 102 red, 109 green, and 163 blue. In the HSL color space, it has a hue of 233°, saturation of 25%, and lightness of 52%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With low saturation, it appears muted and subtle.
CSS Code & Gradients
Use #666DA3 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
233°
Hue
25%
Saturation
52%
Lightness
Muted Blue
Color Harmonies
Colors that work well with #666DA3 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #666DA3 against white and black backgrounds.
Aa#666DA3 on White
Contrast Ratio4.91:1
AA ✓AA Large ✓AAA ✗
Aa#666DA3 on Black
Contrast Ratio4.28:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #666DA3 across different color formats.
| Format | Value |
|---|---|
| HEX | #666DA3 |
| RGB | rgb(102, 109, 163) |
| HSL | hsl(233, 25%, 52%) |
| RGB Decimal | 102, 109, 163 |
| RGB Percent | 40.0%, 42.7%, 63.9% |
| CMYK (approx.) | 37%, 33%, 0%, 36% |
Related Palettes
12 palettes using #666DA3 or similar colors