Hex #e66622 or rgb(230,102,34) in RGB space is the tint of orange red. It has hue angle of 20.82 degrees, value = 90 and saturation = 85. #e66622 can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of red, 1 drop of magenta, 1 drop of blue.
Nearest safe hex - #ff6633. Below you can see the block with #e66622 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #e66622 to the mixer and play with it.