Hex #5b1456 or rgb(91,20,86) in RGB space is the tint of magenta. It has hue angle of 304.23 degrees, value = 36 and saturation = 78. #5b1456 can be obtained by mixing 4 colors: 2 drops of red, 3 drops of magenta, 4 drops of blue, 5 drops of black.
Nearest safe hex - #660066. Below you can see the block with #5b1456 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b1456 to the mixer and play with it.