Hex #a287a3 or rgb(162,135,163) in RGB space is the tint of magenta. It has hue angle of 297.86 degrees, value = 64 and saturation = 17. #a287a3 can be obtained by mixing 4 colors: 2 drops of red, 3 drops of blue, 5 drops of white, 1 drop of black.
Nearest safe hex - #999999. Below you can see the block with #a287a3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #a287a3 to the mixer and play with it.