Hex #808b9c or rgb(128,139,156) in RGB space is the tint of blue. It has hue angle of 216.43 degrees, value = 61 and saturation = 18. #808b9c can be obtained by mixing 3 colors: 1 drop of blue, 3 drops of white, 2 drops of black.
Nearest safe hex - #999999. Below you can see the block with #808b9c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #808b9c to the mixer and play with it.