Hex #663ba2 or rgb(102,59,162) in RGB space is the tint of purple. It has hue angle of 265.05 degrees, value = 64 and saturation = 64. #663ba2 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of magenta, 5 drops of blue, 1 drop of cyan.
Nearest safe hex - #663399. Below you can see the block with #663ba2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #663ba2 to the mixer and play with it.