#3B66AB
Blue
HEX
RGB
HSL
About #3B66AB Blue
#3B66AB is a blue color. In the RGB color model, it is composed of 59 red, 102 green, and 171 blue. In the HSL color space, it has a hue of 217°, saturation of 49%, and lightness of 45%.
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
Use #3B66AB in your CSS, SCSS, or Tailwind projects.
Color Properties
217°
Hue
49%
Saturation
45%
Lightness
Blue
Color Harmonies
Colors that work well with #3B66AB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3B66AB against white and black backgrounds.
Aa#3B66AB on White
Contrast Ratio5.71:1
AA ✓AA Large ✓AAA ✗
Aa#3B66AB on Black
Contrast Ratio3.67:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3B66AB across different color formats.
| Format | Value |
|---|---|
| HEX | #3B66AB |
| RGB | rgb(59, 102, 171) |
| HSL | hsl(217, 49%, 45%) |
| RGB Decimal | 59, 102, 171 |
| RGB Percent | 23.1%, 40.0%, 67.1% |
| CMYK (approx.) | 65%, 40%, 0%, 33% |
Related Palettes
12 palettes using #3B66AB or similar colors