Hex #996591 or rgb(153,101,145) in RGB space is the tint of crimson. It has hue angle of 309.23 degrees, value = 60 and saturation = 34. #996591 can be obtained by mixing 4 colors: 2 drops of yellow, 3 drops of magenta, 4 drops of blue, 1 drop of white.
Nearest safe hex - #996699. Below you can see the block with #996591 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #996591 to the mixer and play with it.