Hex #71518e or rgb(113,81,142) in RGB space is the tint of purple. It has hue angle of 271.48 degrees, value = 56 and saturation = 43. #71518e can be obtained by mixing 4 colors: 3 drops of magenta, 2 drops of cyan, 1 drop of white, 3 drops of black.
Nearest safe hex - #666699. Below you can see the block with #71518e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #71518e to the mixer and play with it.