From Longman Dictionary of Contemporary Englishblack and blueˌblack and ˈblue adjective MIskin that is black and blue has bruises (=dark marks) on it as a result of being hit If you do that again, I’ll beat you black and blue.
Examples from the Corpus
black and blue• Both eyes are black and blue.• But nobody had the right to be that nasty; not even if his backside was black and blue.• She pinched her own arm until it was black and blue.• I think it should have been the other way round because I was black and blue from head to toe.• Further inspection revealed that she was black and blue from her waist to her knees.• They often beat them black and blue or scar their faces with a razor.• Williams again wore the provocative black and blue outfit that drew international attention when unveiled in the opening round.• My leg was black and blue where the kid had kicked me. 