Crossword puzzle clue "in a dark state"

Source of "Say! In the dark? Here in the dark! Would you, could you, in the dark?"

"It builds strong bones, but who cares in this dark, dark world..."

Dark as dark can be

Dark purplish-brown to dark red

Illinois, Indiana, Iowa, Michigan, Michigan State, Minnesota, Northwestern, Ohio State, Penn State, Purdue and Wisconsin

Dark state

In a dark state

Article of tropical apparel ... whose start is a state nickname for the state indicated by the circled squares