For masculine refinement with a twist, you can easily go for a navy suit and a light violet dress shirt. Complete your outfit with a pair of black leather oxford shoes and the whole ensemble will come together. Wear this ensemble to assemble a more mature look as a man in his thirties.
Make no doubt, you'll look truly smart in a navy suit and a light violet dress shirt. For a truly modern on and off-duty mix, introduce a pair of black leather derby shoes to the equation. Sartorial inspiration like this will help you stay incredibly stylish while heading into your 30s.