Hex #aa4b9a or rgb(170,75,154) in RGB space is the tint of crimson. It has hue angle of 310.11 degrees, value = 67 and saturation = 56. #aa4b9a can be obtained by mixing 4 colors: 3 drops of red, 4 drops of magenta, 5 drops of blue, 3 drops of white.
Nearest safe hex - #993399. Below you can see the block with #aa4b9a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa4b9a to the mixer and play with it.