I had a friend (RIP) who owned a black 67 Corvette coupe with a blue interior and a blue stinger hood stripe, and the colors were STUNNING. I plan to (someday) build a 55 Chevy street gasser in those colors with blue tinted windows. :D
I say get the body and exterior paint done, then see what it looks like with the current interior colors. Make a decision from there.
Good Luck!
George