#3F57CF
Blue
HEX
RGB
HSL
About #3F57CF Blue
#3F57CF is a blue color. In the RGB color model, it is composed of 63 red, 87 green, and 207 blue. In the HSL color space, it has a hue of 230°, saturation of 60%, and lightness of 53%.
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 #3F57CF in your CSS, SCSS, or Tailwind projects.
Color Properties
230°
Hue
60%
Saturation
53%
Lightness
Blue
Color Harmonies
Colors that work well with #3F57CF based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3F57CF against white and black backgrounds.
Aa#3F57CF on White
Contrast Ratio6.04:1
AA ✓AA Large ✓AAA ✗
Aa#3F57CF on Black
Contrast Ratio3.48:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3F57CF across different color formats.
| Format | Value |
|---|---|
| HEX | #3F57CF |
| RGB | rgb(63, 87, 207) |
| HSL | hsl(230, 60%, 53%) |
| RGB Decimal | 63, 87, 207 |
| RGB Percent | 24.7%, 34.1%, 81.2% |
| CMYK (approx.) | 70%, 58%, 0%, 19% |
Related Palettes
12 palettes using #3F57CF or similar colors