Hex #621b84 or rgb(98,27,132) in RGB space is the tint of purple magenta. It has hue angle of 280.57 degrees, value = 52 and saturation = 80. #621b84 can be obtained by mixing 3 colors: 5 drops of magenta, 5 drops of blue, 3 drops of black.
Nearest safe hex - #663399. Below you can see the block with #621b84 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #621b84 to the mixer and play with it.