What does the color red on the flag represent?

The color red on the flag represents hardiness and valor. In the context of national flags, including that of the United States, red is often symbolic of the courage and strength that is required in the defense of the country. This association with valor reflects the sacrifices made by military personnel, embodying the bravery and determination necessary in challenging circumstances. The use of red captures these sentiments, serving as a reminder of the resilience and spirit essential to uphold freedom and protect the nation.

While other colors on a flag communicate different ideals—such as blue often signifying vigilance or justice, and white representing purity or peace—the specific association of red with hardiness and valor is distinctly recognized in heraldry and military symbolism.