Hex #66294a or rgb(102,41,74) in RGB space is the tint of scarlet. It has hue angle of 327.54 degrees, value = 40 and saturation = 60. #66294a can be obtained by mixing 4 colors: 5 drops of red, 5 drops of blue, 1 drop of white, 4 drops of black.
Nearest safe hex - #663333. Below you can see the block with #66294a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66294a to the mixer and play with it.