Hex #66184d or rgb(102,24,77) in RGB space is the tint of crimson. It has hue angle of 319.23 degrees, value = 40 and saturation = 76. #66184d can be obtained by mixing 4 colors: 1 drop of red, 3 drops of magenta, 1 drop of cyan, 5 drops of black.
Nearest safe hex - #660066. Below you can see the block with #66184d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66184d to the mixer and play with it.