Hex #664177 or rgb(102,65,119) in RGB space is the tint of purple magenta. It has hue angle of 281.11 degrees, value = 47 and saturation = 45. #664177 can be obtained by mixing 4 colors: 1 drop of magenta, 1 drop of blue, 1 drop of white, 2 drops of black.
Nearest safe hex - #663366. Below you can see the block with #664177 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #664177 to the mixer and play with it.