Of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies(adjective)
WordNet. Princeton University. 2010.
Use "ruby-red" in a sentence
"With their ruby-red glow, the accented bodices might indicate that ABT's Odette and Odile are as deranged as the film's Nina and have given themselves self-inflicted wounds."
"Without making it sound like I live an excessively sheltered life, I was impressed with the way Williams uses Batwoman's ruby-red lips."
"On the 45th day after her discharge, when her pilot status began to elapse, she sped down the Pacific Coast Highway on her ruby-red Harley-Davidson."