Cap sleeves are doing a lot of quiet work in fashion right now and blue is the colour that lets them do it properly. There is something about a cap sleeve that sits between casual and considered, structured enough to feel intentional, relaxed enough to wear without overthinking. Pair that with blue in any of its forms and you have a dress that works for the occasions that are genuinely hard to dress for. Not black tie. Not the beach. The wedding guest situation. The garden party. The work event that runs into dinner. Blue handles all of it. We have been pulling together our favourite blue cap sleeve dresses across every shade because this combination rewards a proper edit. Navy that reads as quietly authoritative. Cornflower that feels genuinely fresh. Cobalt that commits fully and asks you to match its energy. These are the dresses we keep recommending to people who want to look like they thought about it without looking like they tried too hard. Blue and a cap sleeve is not a compromise. It is a decision.