Hex #623a27 or rgb(98,58,39) in RGB space is the tint of orange red. It has hue angle of 19.32 degrees, value = 38 and saturation = 60. #623a27 can be obtained by mixing 4 colors: 5 drops of red, 3 drops of blue, 3 drops of green, 2 drops of black.
Nearest safe hex - #663333. Below you can see the block with #623a27 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #623a27 to the mixer and play with it.