Of something having a color that is a light shiny blue(adjective)
WordNet. Princeton University. 2010.
Use "silver-blue" in a sentence
"I asked, handing him his jacket of embroidered silver-blue velvet with deep-gold-buttoned cuffs."
"Others echoed the Alhambra, but with modern accents: a massive diamond-shaped window, glazed silver-blue, or an enormous inverted pyramid resting on its point."
"My language-arts teacher always made a more stylish arrival, pulling into the teachers' parking lot in his gleaming, silver-blue Corvette Stingray."