Hex #402b39 or rgb(64,43,57) in RGB space is the tint of crimson. It has hue angle of 320.00 degrees, value = 25 and saturation = 33. #402b39 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of red, 4 drops of blue, 5 drops of black.
Nearest safe hex - #333333. Below you can see the block with #402b39 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #402b39 to the mixer and play with it.