In the world today, the navy blue suits co-exist with the black. In fact, the color competes favorably with the black which currently is the dominant color in the world of suit. Navy blue suits are the next in the line when it comes to the reigning suit trend in the world. Some of the reasons include the following:

    The navy blue suits are among the best used as part of the code of dressing in various big time official companies in the world today. Just like the black suits, the navy blue ones are also indoctrinated as part of most companies’ code of dressing. This makes the navy blue suits to be seen everywhere on daily basis.
    In the government houses and set-ups, the navy blue colors also denote the suits used there. Just like the back suites, the navy blue colored suits are also used in the business of governance in most western world countries.
    Navy blue suits are the order of the day in the US, Canada and in all the countries that make up Europe. In various fashion institutes in the US and Europe, the navy blue suits are used alongside the black as the code of dressing for all the officials in the management board of such schools. These being the case, the student are indirectly being influenced to follow the trend while still in school and after graduation.
    The navy blue suits are also the best for job interviews. In fact, it is the number one color code necessary to appear before an interviewing panel in most world class companies of the world. 
In all, the navy blue suits are among the best in vogue in the world today.