Hex #40282b or rgb(64,40,43) in RGB space is the tint of red. It has hue angle of 352.50 degrees, value = 25 and saturation = 38. #40282b can be obtained by mixing 4 colors: 2 drops of red, 2 drops of blue, 1 drop of green, 3 drops of black.
Nearest safe hex - #333333. Below you can see the block with #40282b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40282b to the mixer and play with it.