Hex #d5631d or rgb(213,99,29) in RGB space is the tint of orange. It has hue angle of 22.83 degrees, value = 84 and saturation = 86. #d5631d can be obtained by mixing 4 colors: 5 drops of yellow, 3 drops of red, 2 drops of magenta, 2 drops of black.
Nearest safe hex - #cc6633. Below you can see the block with #d5631d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #d5631d to the mixer and play with it.