Hex #8b858b or rgb(139,133,139) in RGB space is the tint of magenta. It has hue angle of 300.00 degrees, value = 55 and saturation = 4. #8b858b can be obtained by mixing 4 colors: 4 drops of red, 4 drops of cyan, 2 drops of white, 1 drop of black.
Nearest safe hex - #999999. Below you can see the block with #8b858b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b858b to the mixer and play with it.