Hex #665191 or rgb(102,81,145) in RGB space is the tint of purple violet. It has hue angle of 259.69 degrees, value = 57 and saturation = 44. #665191 can be obtained by mixing 4 colors: 4 drops of magenta, 3 drops of blue, 1 drop of cyan, 2 drops of green.
Nearest safe hex - #666699. Below you can see the block with #665191 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #665191 to the mixer and play with it.