Hex #b31578 or rgb(179,21,120) in RGB space is the tint of crimson. It has hue angle of 322.41 degrees, value = 70 and saturation = 88. #b31578 can be obtained by mixing 3 colors: 3 drops of red, 4 drops of magenta, 3 drops of blue.
Nearest safe hex - #cc0066. Below you can see the block with #b31578 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b31578 to the mixer and play with it.