#3F51CA
Blue
HEX
RGB
HSL
About #3F51CA Blue
#3F51CA is a blue color. In the RGB color model, it is composed of 63 red, 81 green, and 202 blue. In the HSL color space, it has a hue of 232°, 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 & Gradients
Use #3F51CA in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
232°
Hue
57%
Saturation
52%
Lightness
Blue
Color Harmonies
Colors that work well with #3F51CA based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3F51CA against white and black backgrounds.
Aa#3F51CA on White
Contrast Ratio6.48:1
AA ✓AA Large ✓AAA ✗
Aa#3F51CA on Black
Contrast Ratio3.24:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3F51CA across different color formats.
| Format | Value |
|---|---|
| HEX | #3F51CA |
| RGB | rgb(63, 81, 202) |
| HSL | hsl(232, 57%, 52%) |
| RGB Decimal | 63, 81, 202 |
| RGB Percent | 24.7%, 31.8%, 79.2% |
| CMYK (approx.) | 69%, 60%, 0%, 21% |
Related Palettes
12 palettes using #3F51CA or similar colors