Hex #665378 or rgb(102,83,120) in RGB space is the tint of purple. It has hue angle of 270.81 degrees, value = 47 and saturation = 31. #665378 can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of magenta, 5 drops of blue, 1 drop of black.
Nearest safe hex - #666666. Below you can see the block with #665378 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #665378 to the mixer and play with it.