Hex #df5915 or rgb(223,89,21) in RGB space is the tint of orange red. It has hue angle of 20.20 degrees, value = 87 and saturation = 91. #df5915 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of red, 1 drop of magenta, 1 drop of black.
Nearest safe hex - #cc6600. Below you can see the block with #df5915 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #df5915 to the mixer and play with it.