Hex #665ca2 or rgb(102,92,162) in RGB space is the tint of purple violet. It has hue angle of 248.57 degrees, value = 64 and saturation = 43. #665ca2 can be obtained by mixing 4 colors: 2 drops of red, 2 drops of magenta, 3 drops of blue, 3 drops of cyan.
Nearest safe hex - #666699. Below you can see the block with #665ca2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #665ca2 to the mixer and play with it.