Hex #663d56 or rgb(102,61,86) in RGB space is the tint of scarlet. It has hue angle of 323.41 degrees, value = 40 and saturation = 40. #663d56 can be obtained by mixing 4 colors: 4 drops of magenta, 1 drop of blue, 3 drops of green, 2 drops of black.
Nearest safe hex - #663366. Below you can see the block with #663d56 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #663d56 to the mixer and play with it.