Hex #66475e or rgb(102,71,94) in RGB space is the tint of crimson. It has hue angle of 315.48 degrees, value = 40 and saturation = 30. #66475e can be obtained by mixing 4 colors: 3 drops of red, 1 drop of magenta, 3 drops of cyan, 3 drops of black.
Nearest safe hex - #663366. Below you can see the block with #66475e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66475e to the mixer and play with it.