A very artsy and strong design perhaps could use some color but is overall very strong. Important areas are highlighted or are bolder while various typefaces add flare and variety. The overall layout is thought out and well organized.
Here is an example of a basic suit. It's simple yet classy. Do not forget the tie clip! A floppy tie is enough to bring your whole look down. Also, a fitted shirt is key. You don't want to look like you are swimming in your clothes.