Hex #661c89 or rgb(102,28,137) in RGB space is the tint of purple magenta. It has hue angle of 280.73 degrees, value = 54 and saturation = 80. #661c89 can be obtained by mixing 3 colors: 2 drops of magenta, 2 drops of blue, 1 drop of black.
Nearest safe hex - #663399. Below you can see the block with #661c89 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #661c89 to the mixer and play with it.