What does the color blue symbolize on the North Dakota state flag?

The color blue on the North Dakota state flag symbolizes the sky. In the context of flags, colors often carry specific meanings and associations, and blue is frequently connected with elements like the sky and water, representing vastness, freedom, and tranquility. The sky also ties into the natural beauty and expansive landscapes that characterize North Dakota, reflecting the state's identity and connection to its environment. This emphasizes the state's geography and the importance of nature in North Dakota's culture. Other colors on the flag may carry different meanings, but blue distinctly represents the sky.