Hex #6d578c or rgb(109,87,140) in RGB space is the tint of purple. It has hue angle of 264.91 degrees, value = 55 and saturation = 38. #6d578c can be obtained by mixing 4 colors: 4 drops of magenta, 3 drops of cyan, 2 drops of white, 5 drops of black.
Nearest safe hex - #666699. Below you can see the block with #6d578c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d578c to the mixer and play with it.