Hex #664c56 or rgb(102,76,86) in RGB space is the tint of scarlet. It has hue angle of 336.92 degrees, value = 40 and saturation = 25. #664c56 can be obtained by mixing 4 colors: 2 drops of red, 2 drops of magenta, 3 drops of blue, 3 drops of green.
Nearest safe hex - #663366. Below you can see the block with #664c56 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #664c56 to the mixer and play with it.