Hex #e65f2b or rgb(230,95,43) in RGB space is the tint of orange red. It has hue angle of 16.68 degrees, value = 90 and saturation = 81. #e65f2b can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of red, 1 drop of magenta, 1 drop of cyan.
Nearest safe hex - #ff6633. Below you can see the block with #e65f2b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #e65f2b to the mixer and play with it.