Navy-blue, timeless and easy-matched color
Navy-blue is one of the most useful color. It looks good on almost all skin tones, it is easy to match and it is easy to see thought-out and stylish in it.
A Navy-blue cardigan, a gray T-shirt and a pair of jeans is spot on and easy outfit. It become a uniform color scheme and you look just right dressed out.
Navy-blue blazer, a black shirt and a pair of navy-blue chinos, simple, stylish and well-dressed.
A second option is the classic navy-blue suit with white shirt, more classically than that, it is difficult to obtain.