Hex #8b899b or rgb(139,137,155) in RGB space is the tint of violet. It has hue angle of 246.67 degrees, value = 61 and saturation = 12. #8b899b can be obtained by mixing 4 colors: 1 drop of magenta, 1 drop of cyan, 5 drops of white, 4 drops of black.
Nearest safe hex - #999999. Below you can see the block with #8b899b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b899b to the mixer and play with it.