#3987B1
Blue
HEX
RGB
HSL
About #3987B1 Blue
#3987B1 is a blue color. In the RGB color model, it is composed of 57 red, 135 green, and 177 blue. In the HSL color space, it has a hue of 201°, saturation of 51%, and lightness of 46%.
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 #3987B1 in your CSS, SCSS, or Tailwind projects.
Color Properties
201°
Hue
51%
Saturation
46%
Lightness
Blue
Color Harmonies
Colors that work well with #3987B1 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3987B1 against white and black backgrounds.
Aa#3987B1 on White
Contrast Ratio3.98:1
AA ✗AA Large ✓AAA ✗
Aa#3987B1 on Black
Contrast Ratio5.27:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3987B1 across different color formats.
| Format | Value |
|---|---|
| HEX | #3987B1 |
| RGB | rgb(57, 135, 177) |
| HSL | hsl(201, 51%, 46%) |
| RGB Decimal | 57, 135, 177 |
| RGB Percent | 22.4%, 52.9%, 69.4% |
| CMYK (approx.) | 68%, 24%, 0%, 31% |
Related Palettes
12 palettes using #3987B1 or similar colors