As you can see, looking casually smart doesn't require that much effort. Just consider teaming a tan blazer with beige chinos and be sure you'll look amazing. Sartorial inspo like this will help you stay incredibly fashionable while getting into your 30s.
Wear a tan blazer and beige chinos to create a neat and sophisticated ensemble. A trendy pair of brown leather brogues is an effective way to give a sense of polish to your look. As you mature into your 30s, you want to start dressing in a more refined manner. In this case, looks like this are perfect as inspo.