Tom Wolfe and film stars aside, most successful men do not need to attract attention, and that may be why so many of them dress with increasing discretion over the years.
Discretion in dress is not to be confused with drabness. The drably dressed man is seen and immediately forgotton. His well dressed counterpart makes his point with one memorable element that elevates the tone without drawing stares.
In the photo, the late Duke of Windsor is dressed discreetly in a dark suit, white shirt and solid silver necktie. Nonetheless, the observer's eye sees tasseled loafers under the suit, and that makes all the difference.