Hex #8099aa or rgb(128,153,170) in RGB space is the tint of blue. It has hue angle of 204.29 degrees, value = 67 and saturation = 25. #8099aa can be obtained by mixing 4 colors: 3 drops of red, 1 drop of blue, 4 drops of cyan, 2 drops of white.
Nearest safe hex - #999999. Below you can see the block with #8099aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8099aa to the mixer and play with it.