The flag of Denmark, known as the Dannebrog, has a red background with a white Scandinavian cross. The color codes for the flag are:

• Red: Pantone 186 C, HEX #C60C30, RGB (198, 12, 48)
• White: HEX #FFFFFF, RGB (255, 255, 255)

The aspect ratio of the flag is 28:37. The vertical bar of the cross is positioned closer to the hoist side, dividing the flag into two rectangles on the left and three on the right. The width of the cross is 1/14th of the flag's height.

Geometric properties and measurements:

• Hoist (height) of the flag: 28 units
• Fly (length) of the flag: 37 units
• Width of the cross: 2 units
• Distance from hoist to the vertical bar of the cross: 6 units
• Length of the horizontal arm of the cross: 34 units