Navy blue suits for men are a classic and sophisticated choice that suits a variety of occasions.

Versatility: Navy blue is one of the most versatile colors for a men's suit. It can be worn in both formal and semi-formal settings depending on how it's styled.

Formal occasions: A navy blue suit is ideal for formal events such as weddings, gala dinners, conferences, and job interviews. Pair it with a white shirt and a conservative tie for a classic and elegant look.

Semi-formal occasions: It is also perfectly suitable for semi-formal events such as cocktails, less formal business meetings, or elegant dinners. Here, you can opt for shirts in softer tones like light blue or light gray, and play with ties in more varied colors or patterns depending on the setting.

Fit and cut: The fit of the suit is crucial. Ensure the suit fits well to your body, neither too tight nor too loose. A modern, well-tailored cut always looks more elegant and flattering.

Accessories: Accessories such as the belt, shoes, and pocket square should coordinate with the suit. For a navy blue suit, black or dark brown shoes are typically the best choice. Choose a belt that matches your shoes and a pocket square that adds a touch of color or pattern that complements the suit without overpowering it.

Personal style: Consider your personal style when choosing details such as the lapel type (notch, peak, or shawl), number of buttons, and fabric type (wool, wool blend, etc.). These details can influence the formality and overall look of the suit.