Cool blue : The hexadecimal color #3991bb

The hexadecimal color #3991bb is a color blue whose writing is rgb(57, 145, 187) either 22% of red, 57% of green, 73% of blue; the HSL value is hsl(141, 136%, 122%) either a shade of 141°, a saturation of 136% and a brightness of 122%; the CMYK value is cmyk(70, 22, 0, 27) either 70% of cyan, 22% of magenta, 0% of yellow and 27% of black.

The color combinaison (or color scheme) of the color cool blue

The gradient colors and complementary colors below allow you to find colors near 3991bb for a good harmony of your web design and your artwork.

#3991bb : Using the html color in a CSS style

The CSS notation for use that color (3991bb) as text color is color:#3991bb;
This is an text example writing in hex color #3991bb.

The CSS notation for use that color (3991bb) as background color is background-color:#3991bb;
This is a box with a background color in hex #3991bb

The CSS notation for use that color (3991bb) as border color is border-color:#3991bb;
This is a box with a border color in hex #3991bb

The CSS notation for use that color (3991bb) as shadow color is box-shadow:0 0 20px #3991bb;
This is a box with a shadow color in hex #3991bb

Converting the hex color 3991bb in RGB, HSL and CMYK

  • Color code HEX : #3991bb
  • Color code RGB : rgb(57, 145, 187)
  • Color code HSL : hsl(141, 136%, 122%)
  • Color code CMYK : cmyk(70, 22, 0, 27)
  • Color code BIN : 111001 10010001 10111011

What is a color HEX ?

The HEX code consists of 3 groups of 2 digits from 00 to FF, representing the primary colors: red, green, blue.
The maximum number of colors in hexadecimal format is 256 x 256 x 256 = 16,777,216

What is a color RGB ?

RGB code consists of 3 groups ranging from 0 to 255 and representing the primary colors: red, green, blue.
The theoretical maximum number is also ~ 16M colors.


Hex color #3991bb - cool blue

What is a color HSL ?

HSL code consists of 3 groups: a first in degree determining the color hue (between 0° and 360°) followed by 2 digits ranging from 0 to 255 and expressed as a percentage, respectively, determine the saturation and brightness of color.

What is a color CMYK ?

The CMYK code consists of four groups of digits ranging from 0 to 100 and represents the percentage of cyan, magenta, yellow and black present in the main color.