Hex #5b2531 or rgb(91,37,49) in RGB space is the tint of scarlet red. It has hue angle of 346.67 degrees, value = 36 and saturation = 59. #5b2531 can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of red, 4 drops of blue, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #5b2531 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b2531 to the mixer and play with it.