#666BFB
Vivid Blue
HEX
RGB
HSL
About #666BFB Vivid Blue
#666BFB is a vivid blue color. In the RGB color model, it is composed of 102 red, 107 green, and 251 blue. In the HSL color space, it has a hue of 238°, saturation of 95%, and lightness of 69%.
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 & Gradients
Use #666BFB in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
238°
Hue
95%
Saturation
69%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #666BFB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #666BFB against white and black backgrounds.
Aa#666BFB on White
Contrast Ratio4.15:1
AA ✗AA Large ✓AAA ✗
Aa#666BFB on Black
Contrast Ratio5.06:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #666BFB across different color formats.
| Format | Value |
|---|---|
| HEX | #666BFB |
| RGB | rgb(102, 107, 251) |
| HSL | hsl(238, 95%, 69%) |
| RGB Decimal | 102, 107, 251 |
| RGB Percent | 40.0%, 42.0%, 98.4% |
| CMYK (approx.) | 59%, 57%, 0%, 2% |
Related Palettes
12 palettes using #666BFB or similar colors