Hex #8b9fa2 or rgb(139,159,162) in RGB space is the tint of bluish cian. It has hue angle of 187.83 degrees, value = 64 and saturation = 14. #8b9fa2 can be obtained by mixing 4 colors: 1 drop of red, 2 drops of cyan, 5 drops of white, 3 drops of black.
Nearest safe hex - #999999. Below you can see the block with #8b9fa2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b9fa2 to the mixer and play with it.