Hex #663da2 or rgb(102,61,162) in RGB space is the tint of purple. It has hue angle of 264.36 degrees, value = 64 and saturation = 62. #663da2 can be obtained by mixing 4 colors: 3 drops of magenta, 5 drops of blue, 1 drop of white, 1 drop of black.
Nearest safe hex - #663399. Below you can see the block with #663da2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #663da2 to the mixer and play with it.