What do the colors and waves on the St Louis Flag symbolize today?
The St Louis Flag packs the city’s geography and roots into a clean, readable design:
Blue wavy stripes: The Mississippi and Missouri Rivers, meeting at St. Louis. They’re not random curves—they mark the city’s literal confluence and its role as a river hub.
White edging (fimbriation): The line where the rivers meet—unity and flow into the city.
Red field: Energy and civic spirit—often read today as the backdrop of a busy, living city.
Gold fleur-de-lis on a white disc: A nod to French heritage and King Louis IX (the city’s namesake); the roundel acts like a “city core” where those rivers converge.
Taken together, the flag reads like a map and a story: rivers shaping identity, heritage at the center, and a bold palette that holds up from city hall to ballcaps.
— Baldwin Flags

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