Hex #663550 or rgb(102,53,80) in RGB space is the tint of scarlet. It has hue angle of 326.94 degrees, value = 40 and saturation = 48. #663550 can be obtained by mixing 4 colors: 4 drops of red, 4 drops of blue, 2 drops of white, 5 drops of black.
Nearest safe hex - #663366. Below you can see the block with #663550 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #663550 to the mixer and play with it.