Hex #996688 or rgb(153,102,136) in RGB space is the tint of crimson. It has hue angle of 320.00 degrees, value = 60 and saturation = 33. #996688 can be obtained by mixing 3 colors: 1 drop of magenta, 2 drops of white, 2 drops of black.
Nearest safe hex - #996699. Below you can see the block with #996688 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #996688 to the mixer and play with it.