Hex #878387 or rgb(135,131,135) in RGB space is the tint of magenta. It has hue angle of 300.00 degrees, value = 53 and saturation = 3. #878387 can be obtained by mixing 4 colors: 4 drops of red, 4 drops of cyan, 5 drops of white, 4 drops of black.
Nearest safe hex - #999999. Below you can see the block with #878387 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #878387 to the mixer and play with it.