Hex #9f91aa or rgb(159,145,170) in RGB space is the tint of purple. It has hue angle of 273.60 degrees, value = 67 and saturation = 15. #9f91aa can be obtained by mixing 4 colors: 1 drop of red, 2 drops of blue, 4 drops of white, 1 drop of black.
Nearest safe hex - #999999. Below you can see the block with #9f91aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #9f91aa to the mixer and play with it.