Hex #604040 or rgb(96,64,64) in RGB space is the tint of red. It has hue angle of 0.00 degrees, value = 38 and saturation = 33. #604040 can be obtained by mixing 3 colors: 1 drop of red, 2 drops of white, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #604040 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #604040 to the mixer and play with it.