Hex #6a3639 or rgb(106,54,57) in RGB space is the tint of red. It has hue angle of 356.54 degrees, value = 42 and saturation = 49. #6a3639 can be obtained by mixing 4 colors: 5 drops of red, 4 drops of blue, 2 drops of green, 1 drop of black.
Nearest safe hex - #663333. Below you can see the block with #6a3639 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a3639 to the mixer and play with it.