Hex #621b76 or rgb(98,27,118) in RGB space is the tint of purple magenta. It has hue angle of 286.81 degrees, value = 46 and saturation = 77. #621b76 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of magenta, 5 drops of blue, 3 drops of black.
Nearest safe hex - #663366. Below you can see the block with #621b76 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #621b76 to the mixer and play with it.