Why the Cardinals should wear navy blue caps for every road game

What are some standard matching 'rules' I should consider when choosing which cap to wear? I have baseball caps in all the basic colors, white, black, navy blue, and grey (no logos).

A Recap of the Cardinals’ 1964 Re-Cap

What are some standard matching 'rules' I should consider when choosing which cap to wear? I have baseball caps in all the basic colors, white, black, navy blue, and grey (no logos).

Cardinal Facts — CARING CARDINALS

New rules OK ball caps with blue cammies, on base and off

Pederson homers in 3rd straight game, Cubs beat Cards 7-2

Saunders: Ranking MLB's City Connect uniforms, from worst to first – The Denver Post

Washington Commanders announce sellout for game vs. Bills

New Era 59Fifty Los Angeles Dodgers All Star Game 2022 Fan Pack Multi Patch Fitted Hat Dark Royal - Billion Creation

Baseball cap - Wikipedia

Arizona Cardinals unveil new uniforms for the 2023 season