Hex #662d91 or rgb(102,45,145) in RGB space is the tint of purple. It has hue angle of 274.20 degrees, value = 57 and saturation = 69. #662d91 can be obtained by mixing 4 colors: 4 drops of magenta, 3 drops of blue, 1 drop of cyan, 2 drops of black.
Nearest safe hex - #663399. Below you can see the block with #662d91 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #662d91 to the mixer and play with it.