Hex #66365e or rgb(102,54,94) in RGB space is the tint of crimson. It has hue angle of 310.00 degrees, value = 40 and saturation = 47. #66365e can be obtained by mixing 4 colors: 3 drops of red, 4 drops of blue, 1 drop of white, 2 drops of black.
Nearest safe hex - #663366. Below you can see the block with #66365e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66365e to the mixer and play with it.