#666BFF
Vivid Blue
HEX
RGB
HSL
About #666BFF Vivid Blue
#666BFF is a vivid blue color. In the RGB color model, it is composed of 102 red, 107 green, and 255 blue. In the HSL color space, it has a hue of 238°, saturation of 100%, and lightness of 70%.
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 #666BFF in your CSS, SCSS, or Tailwind projects.
Color Properties
238°
Hue
100%
Saturation
70%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #666BFF based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #666BFF against white and black backgrounds.
Aa#666BFF on White
Contrast Ratio4.11:1
AA ✗AA Large ✓AAA ✗
Aa#666BFF on Black
Contrast Ratio5.11:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #666BFF across different color formats.
| Format | Value |
|---|---|
| HEX | #666BFF |
| RGB | rgb(102, 107, 255) |
| HSL | hsl(238, 100%, 70%) |
| RGB Decimal | 102, 107, 255 |
| RGB Percent | 40.0%, 42.0%, 100.0% |
| CMYK (approx.) | 60%, 58%, 0%, 0% |
Related Palettes
12 palettes using #666BFF or similar colors