#666ADD
Blue
HEX
RGB
HSL
About #666ADD Blue
#666ADD is a blue color. In the RGB color model, it is composed of 102 red, 106 green, and 221 blue. In the HSL color space, it has a hue of 238°, 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 #666ADD in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
238°
Hue
64%
Saturation
63%
Lightness
Blue
Color Harmonies
Colors that work well with #666ADD based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #666ADD against white and black backgrounds.
Aa#666ADD on White
Contrast Ratio4.5:1
AA ✓AA Large ✓AAA ✗
Aa#666ADD on Black
Contrast Ratio4.67:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #666ADD across different color formats.
| Format | Value |
|---|---|
| HEX | #666ADD |
| RGB | rgb(102, 106, 221) |
| HSL | hsl(238, 64%, 63%) |
| RGB Decimal | 102, 106, 221 |
| RGB Percent | 40.0%, 41.6%, 86.7% |
| CMYK (approx.) | 54%, 52%, 0%, 13% |
Related Palettes
12 palettes using #666ADD or similar colors