Hex #551867 or rgb(85,24,103) in RGB space is the tint of purple magenta. It has hue angle of 286.33 degrees, value = 40 and saturation = 77. #551867 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of magenta, 5 drops of blue, 5 drops of black.
Nearest safe hex - #660066. Below you can see the block with #551867 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #551867 to the mixer and play with it.