Hex #9988a5 or rgb(153,136,165) in RGB space is the tint of purple. It has hue angle of 275.17 degrees, value = 65 and saturation = 18. #9988a5 can be obtained by mixing 4 colors: 4 drops of red, 4 drops of blue, 2 drops of cyan, 5 drops of white.
Nearest safe hex - #999999. Below you can see the block with #9988a5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #9988a5 to the mixer and play with it.