#3781E1
Blue
HEX
RGB
HSL
About #3781E1 Blue
#3781E1 is a blue color. In the RGB color model, it is composed of 55 red, 129 green, and 225 blue. In the HSL color space, it has a hue of 214°, saturation of 74%, and lightness of 55%.
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
Use #3781E1 in your CSS, SCSS, or Tailwind projects.
Color Properties
214°
Hue
74%
Saturation
55%
Lightness
Blue
Color Harmonies
Colors that work well with #3781E1 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3781E1 against white and black backgrounds.
Aa#3781E1 on White
Contrast Ratio3.9:1
AA ✗AA Large ✓AAA ✗
Aa#3781E1 on Black
Contrast Ratio5.39:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3781E1 across different color formats.
| Format | Value |
|---|---|
| HEX | #3781E1 |
| RGB | rgb(55, 129, 225) |
| HSL | hsl(214, 74%, 55%) |
| RGB Decimal | 55, 129, 225 |
| RGB Percent | 21.6%, 50.6%, 88.2% |
| CMYK (approx.) | 76%, 43%, 0%, 12% |
Related Palettes
12 palettes using #3781E1 or similar colors