This geometric blue and black pocket square pairs exceptionally well with charcoal gray, jet black, and navy blue suits.
Because the pocket square has a bold pattern and high-shine satin finish, your suit choice should balance its intensity.
Best Suit Matches
-Charcoal Gray: Creates a sophisticated, modern contrast. The cool undertone of gray highlights the metallic blue shades.
-Jet Black: Offers a sharp, formal aesthetic. The black suit perfectly anchors the black triangles in the fabric pattern.
-Navy Blue: Delivers a refined, monochromatic look. Choose a deep navy to let the brighter blue geometric shapes pop.Styling 
Recommendations
Shirt: Stick to a crisp, solid white or very light gray dress shirt to avoid pattern clash.
Tie: Use a solid black or dark navy tie in a matte texture (like silk knit or wool) to balance the shiny pocket square.
Fold: Opt for a clean, straight Presidential fold or a simple one-point fold. Complex folds will distort the geometric pattern.