When I saw the image, (which, for the record, is actually bluish and goldish, as per that wired article), I immediately assumed it had to do with contextual clues about lighting and white balance, since its clear that the image has some serious backlighting issues
There were three official designations for the enlisted man's dress blue uniform cited in the 1941 Uniform Regulations and are listed below: Dress, Blue, A
Your new favourite little black dress
With beautiful crystal beading from the sheer corset to the hem, this plus-size off-the-shoulder long blue formal dress has banded sleeves and thin bands that lace up over the open back for a fitted look
Sporty Spice Vibes: Athletic Wear as Daywear Leave it to Sporty Spice to make tracksuits popular