navy blue vs ocean

navy blue

noun
  • A dark blue color. 

adj
  • Having a navy blue color. 

ocean

noun
  • A blue colour, like that of the ocean (also called ocean blue). 

  • Water belonging to an ocean. 

  • An immense expanse; any vast space or quantity without apparent limits. 

  • One of the large bodies of water separating the continents. 

How often have the words navy blue and ocean occurred in a corpus of books? (source: Google Ngram Viewer )