Hex #b63331 or rgb(182,51,49) in RGB space is the tint of red. It has hue angle of 0.90 degrees, value = 71 and saturation = 73. #b63331 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of red, 4 drops of magenta, 4 drops of black.
Nearest safe hex - #cc3333. Below you can see the block with #b63331 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b63331 to the mixer and play with it.