That pocket square is rich—deep navy blue with burgundy/wine paisley—so you want suit colors that either ground it or quietly echo those tones. Here are the strongest pairings, from safest to boldest:
🔥 Best Matches (can’t miss)
Navy blue suit – Perfect harmony with the blue base; the burgundy pops cleanly.
Charcoal gray – Elegant, modern, and lets the pocket square do the talking.
Medium gray – Slightly lighter, still refined and very versatile.
🍷 Elevated & Stylish
Burgundy / wine suit – Bold but sharp if the shade is muted and not too bright.
Dark plum or eggplant – Works great for evening or formal events.
🌿 Smart Neutrals
Dark brown or chocolate – Warm tones play nicely with the burgundy.
Olive or deep forest green – Unexpected but classy with the blue undertones.
⚠️ Use With Care
Black – Works best at night with a crisp white shirt; can feel heavy otherwise.
Light tan or beige – Only if styled cleanly; contrast is higher and more casual.
Pro tip: Keep the shirt simple—white, ivory, or pale blue—and pull either burgundy or navy in your tie (solid or subtle texture) to lock the look together.