Hex #b8421d or rgb(184,66,29) in RGB space is the tint of orange red. It has hue angle of 14.32 degrees, value = 72 and saturation = 84. #b8421d can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of red, 3 drops of magenta, 5 drops of black.
Nearest safe hex - #cc3333. Below you can see the block with #b8421d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b8421d to the mixer and play with it.