Hex #80868b or rgb(128,134,139) in RGB space is the tint of blue. It has hue angle of 207.27 degrees, value = 55 and saturation = 8. #80868b can be obtained by mixing 4 colors: 4 drops of magenta, 3 drops of blue, 5 drops of green, 4 drops of white.
Nearest safe hex - #999999. Below you can see the block with #80868b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80868b to the mixer and play with it.