#3F66CA
Blue
HEX
RGB
HSL
About #3F66CA Blue
#3F66CA is a blue color. In the RGB color model, it is composed of 63 red, 102 green, and 202 blue. In the HSL color space, it has a hue of 223°, saturation of 57%, and lightness of 52%.
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 #3F66CA in your CSS, SCSS, or Tailwind projects.
Color Properties
223°
Hue
57%
Saturation
52%
Lightness
Blue
Color Harmonies
Colors that work well with #3F66CA based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3F66CA against white and black backgrounds.
Aa#3F66CA on White
Contrast Ratio5.3:1
AA ✓AA Large ✓AAA ✗
Aa#3F66CA on Black
Contrast Ratio3.96:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3F66CA across different color formats.
| Format | Value |
|---|---|
| HEX | #3F66CA |
| RGB | rgb(63, 102, 202) |
| HSL | hsl(223, 57%, 52%) |
| RGB Decimal | 63, 102, 202 |
| RGB Percent | 24.7%, 40.0%, 79.2% |
| CMYK (approx.) | 69%, 50%, 0%, 21% |
Related Palettes
12 palettes using #3F66CA or similar colors