Flag of Delaware
| Delawarean flag | |
| Use | Civil and state flag |
|---|---|
| Proportion | 2:3 |
| Adopted | July 24, 1913 |
| Design | A colonial blue field with the state coat of arms inside the tan diamond above the date December 7, 1787 in white. |
The flag of Delaware consists of a buff-colored diamond on a field of colonial blue, with the coat of arms of the state of Delaware inside the diamond. Below the diamond, the date December 7, 1787, declares the day on which Delaware became the first state to ratify the United States Constitution. The colors of the flag reflect the colors of the uniform of General George Washington.