Hex #891b84 or rgb(137,27,132) in RGB space is the tint of magenta. It has hue angle of 302.73 degrees, value = 54 and saturation = 80. #891b84 can be obtained by mixing 4 colors: 2 drops of red, 5 drops of magenta, 5 drops of blue, 1 drop of black.
Nearest safe hex - #993399. Below you can see the block with #891b84 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #891b84 to the mixer and play with it.