Hex #d5281d or rgb(213,40,29) in RGB space is the tint of red. It has hue angle of 3.59 degrees, value = 84 and saturation = 86. #d5281d can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of red, 1 drop of magenta, 1 drop of black.
Nearest safe hex - #cc3333. Below you can see the block with #d5281d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #d5281d to the mixer and play with it.