Hex #991cab or rgb(153,28,171) in RGB space is the tint of purple magenta. It has hue angle of 292.45 degrees, value = 67 and saturation = 84. #991cab can be obtained by mixing 2 colors: 3 drops of magenta, 2 drops of blue.
Nearest safe hex - #993399. Below you can see the block with #991cab color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #991cab to the mixer and play with it.