Hex #664156 or rgb(102,65,86) in RGB space is the tint of scarlet. It has hue angle of 325.95 degrees, value = 40 and saturation = 36. #664156 can be obtained by mixing 4 colors: 3 drops of red, 1 drop of magenta, 4 drops of blue, 2 drops of green.
Nearest safe hex - #663366. Below you can see the block with #664156 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #664156 to the mixer and play with it.