Hex #88637d or rgb(136,99,125) in RGB space is the tint of crimson. It has hue angle of 317.84 degrees, value = 53 and saturation = 27. #88637d can be obtained by mixing 4 colors: 3 drops of red, 5 drops of magenta, 4 drops of cyan, 3 drops of green.
Nearest safe hex - #996666. Below you can see the block with #88637d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #88637d to the mixer and play with it.