Hex #aa639c or rgb(170,99,156) in RGB space is the tint of crimson. It has hue angle of 311.83 degrees, value = 67 and saturation = 42. #aa639c can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of red, 5 drops of magenta, 4 drops of cyan.
Nearest safe hex - #996699. Below you can see the block with #aa639c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa639c to the mixer and play with it.