Hex #c66d39 or rgb(198,109,57) in RGB space is the tint of orange red. It has hue angle of 22.13 degrees, value = 78 and saturation = 71. #c66d39 can be obtained by mixing 4 colors: 2 drops of yellow, 3 drops of red, 2 drops of white, 2 drops of black.
Nearest safe hex - #cc6633. Below you can see the block with #c66d39 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #c66d39 to the mixer and play with it.