Hex #661c67 or rgb(102,28,103) in RGB space is the tint of magenta. It has hue angle of 299.20 degrees, value = 40 and saturation = 73. #661c67 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of magenta, 2 drops of blue, 1 drop of black.
Nearest safe hex - #663366. Below you can see the block with #661c67 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #661c67 to the mixer and play with it.