Hex #6d558c or rgb(109,85,140) in RGB space is the tint of purple. It has hue angle of 266.18 degrees, value = 55 and saturation = 39. #6d558c can be obtained by mixing 4 colors: 2 drops of red, 4 drops of magenta, 5 drops of cyan, 3 drops of black.
Nearest safe hex - #666699. Below you can see the block with #6d558c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d558c to the mixer and play with it.