The red carry-all

A short charcoal jacket and white tee meet wide indigo jeans, with a cherry-red leather tote at one side.

Why it works: The tote concentrates the colour in one substantial shape, while the short jacket leaves the denim's long line visible.
Make it yours · One-point colour: Carry one bright, generous bag with your usual jacket and jeans. Keep the shoes quiet so the bag has room to stand out.
Pieces: Charcoal work jacket · White T-shirt · Wide-leg jeans · Dark indigo denim · Red leather tote · Black loafers