Hex #ef4a35 or rgb(239,74,53) in RGB space is the tint of red. It has hue angle of 6.77 degrees, value = 94 and saturation = 78. #ef4a35 can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of red, 5 drops of magenta, 1 drop of black.
Nearest safe hex - #ff3333. Below you can see the block with #ef4a35 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #ef4a35 to the mixer and play with it.