Hex #504b55 or rgb(80,75,85) in RGB space is the tint of purple. It has hue angle of 270.00 degrees, value = 33 and saturation = 12. #504b55 can be obtained by mixing 4 colors: 5 drops of magenta, 2 drops of cyan, 4 drops of green, 5 drops of black.
Nearest safe hex - #663366. Below you can see the block with #504b55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #504b55 to the mixer and play with it.