I have seen very good examples of original paint on a '48, and two '52 216s, and my eyes detected no hint of blue in the paint. The Filling Station color is dark gray, but in my opinion, not dark enough. I would describe the original color as somewhere between light black and dark gray.
Carl

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission