The flag of Iceland has a blue field with a red cross outlined in white. The aspect ratio is 18:25. The cross is a Scandinavian (or Nordic) cross, with the vertical part of the cross shifted towards the hoist side.

Color codes:

• Blue: Pantone 287 C (RGB: 0, 32, 91; HEX: #00205B)
• Red: Pantone 186 C (RGB: 206, 17, 38; HEX: #CE1126)
• White: Pantone Safe (RGB: 255, 255, 255; HEX: #FFFFFF)

Geometric properties and measurements:

• Horizontal stripe width: 6/18 of the flag's height
• Vertical stripe width: 6/25 of the flag's length
• Width of the white outline: 2/18 of the flag's height and 2/25 of the flag's length