#3581BB
Blue
HEX
RGB
HSL
About #3581BB Blue
#3581BB is a blue color. In the RGB color model, it is composed of 53 red, 129 green, and 187 blue. In the HSL color space, it has a hue of 206°, saturation of 56%, and lightness of 47%.
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 #3581BB in your CSS, SCSS, or Tailwind projects.
Color Properties
206°
Hue
56%
Saturation
47%
Lightness
Blue
Color Harmonies
Colors that work well with #3581BB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3581BB against white and black backgrounds.
Aa#3581BB on White
Contrast Ratio4.19:1
AA ✗AA Large ✓AAA ✗
Aa#3581BB on Black
Contrast Ratio5.01:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3581BB across different color formats.
| Format | Value |
|---|---|
| HEX | #3581BB |
| RGB | rgb(53, 129, 187) |
| HSL | hsl(206, 56%, 47%) |
| RGB Decimal | 53, 129, 187 |
| RGB Percent | 20.8%, 50.6%, 73.3% |
| CMYK (approx.) | 72%, 31%, 0%, 27% |
Related Palettes
12 palettes using #3581BB or similar colors