Ultramarine blue : The hexadecimal color #280ad3

The hexadecimal color #280ad3 is a color blue whose writing is rgb(40, 10, 211) either 16% of red, 4% of green, 83% of blue; the HSL value is hsl(91, 232%, 111%) either a shade of 91°, a saturation of 232% and a brightness of 111%; the CMYK value is cmyk(81, 95, 0, 17) either 81% of cyan, 95% of magenta, 0% of yellow and 17% of black.

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

The gradient colors and complementary colors below allow you to find colors near 280ad3 for a good harmony of your web design and your artwork.

#280ad3 : Using the html color in a CSS style

The CSS notation for use that color (280ad3) as text color is color:#280ad3;
This is an text example writing in hex color #280ad3.

The CSS notation for use that color (280ad3) as background color is background-color:#280ad3;
This is a box with a background color in hex #280ad3

The CSS notation for use that color (280ad3) as border color is border-color:#280ad3;
This is a box with a border color in hex #280ad3

The CSS notation for use that color (280ad3) as shadow color is box-shadow:0 0 20px #280ad3;
This is a box with a shadow color in hex #280ad3

Converting the hex color 280ad3 in RGB, HSL and CMYK

  • Color code HEX : #280ad3
  • Color code RGB : rgb(40, 10, 211)
  • Color code HSL : hsl(91, 232%, 111%)
  • Color code CMYK : cmyk(81, 95, 0, 17)
  • Color code BIN : 101000 1010 11010011

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 #280ad3 - ultramarine 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.