Hex #d55b56 or rgb(213,91,86) in RGB space is the tint of red. It has hue angle of 2.36 degrees, value = 84 and saturation = 60. #d55b56 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of red, 2 drops of magenta, 1 drop of blue.
Nearest safe hex - #cc6666. Below you can see the block with #d55b56 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #d55b56 to the mixer and play with it.