Hex #8b838b or rgb(139,131,139) in RGB space is the tint of magenta. It has hue angle of 300.00 degrees, value = 55 and saturation = 6. #8b838b can be obtained by mixing 3 colors: 5 drops of red, 5 drops of cyan, 1 drop of white.
Nearest safe hex - #999999. Below you can see the block with #8b838b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b838b to the mixer and play with it.