Hex #aa637b or rgb(170,99,123) in RGB space is the tint of scarlet red. It has hue angle of 339.72 degrees, value = 67 and saturation = 42. #aa637b can be obtained by mixing 4 colors: 4 drops of red, 2 drops of blue, 1 drop of cyan, 2 drops of white.
Nearest safe hex - #996666. Below you can see the block with #aa637b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa637b to the mixer and play with it.