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• s  of blue tinged with purple

• Most of the people came out of the water a purplish-blue from cold.

• purple-blue

News & Articles

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• Messing with the Blood-Brain Barrier May Be Key to Treating a Host of Diseases (preview)
  During one of his famous staining experiments of the late 1800s--the kind that would eventually lead to a cure for syphilis and a Nobel Prize for Medicine--Paul Ehrlich stumbled on a conundrum that would haunt medicine down to the present day. When he injected dye into the bloodstream of mice, it penetrated every organ except the brain. Kidneys, livers and hearts turned a dark purplish-blue ...
  June 12, 2013 - Scientific American