My wardrobe staples are all black, white, grey, and denim. Every season though I choose a different colour I want to add a statement piece or two in, this season it's pale periwinkle blue, all winter it was deep green and navy (mostly tartans), and I have a feeling come October it'll be more navy again.
I had a really big bordeaux phase two winters again, everything was black, white, and bordeaux, it was fairly chic but I like to change things.