> Hmm, xnview identifies this file as "JPEG CMYK (v1.1)" as opposed to> JPEG Truecolor (v1.x). And does appear display it correctly.
Yes, its CMYK instead of RGB. This is the reason why the blue gets darker:
the CMYK color space is smaller than RGB, and bright RGB blue can only be
converted to a darker greyish CMYK
blue.
jo