Hex #d54600 or rgb(213,70,0) in RGB space is the tint of orange red. It has hue angle of 19.72 degrees, value = 84 and saturation = 100. #d54600 can be obtained by mixing 3 colors: 1 drop of yellow, 4 drops of red, 1 drop of green.
Nearest safe hex - #cc3300. Below you can see the block with #d54600 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #d54600 to the mixer and play with it.