Flags are symbols of places and nations. Most flags are designed around a certain idea or image and this is especially true of national flags. All the flags of every country in the world contain elements of symbolism and, many times, these symbols occur in the form of colors. Most times when a flag includes a certain color it is entwined with some sort of commentary on the country in which the flag represents.
Blue is one of the most frequently seen colors in flags. Specifically, the color scheme of red, white and blue is popular in numerous national flags such as the United States of America, Great Britain, Australia, New Zealand, France, the Netherlands, Russia, Cuba, Puerto Rico, Chile and Thailand. The color blue also appears in numerous other flags including Honduras, Finland, Sweden, Ukraine, the Bahamas and Barbados.
Blue is a color that is often associated with the water and/or royalty. Hence, it is unsurprising that the color appears on the flags of many island nations of countries surrounded by water (such as Honduras that claims the blue on their flag is symbolic of the blue in the sky and the ocean). Blue is also a color that is representative of loyalty, truth and justice which is why it is included in the Swedish flag.
Since mostly all flags are iconic of the places they represent by studying the flags of different countries it is possible to learn more about the specific nation and why certain color schemes and shapes appear in the flag. Included here is a slide show of five flags that contain the color blue.