A lot of different factors affect a person's political socialization. Personal factors, such as your family, social and economic classes, education and peer groups, all influence your political values.
The two sky blue stripes represent the fact that Guatemala is a land located between two oceans, the Pacific Ocean and the Atlantic Ocean (Caribbean sea); and the sky over the country (see Guatemala's National Anthem). The white color signifies peace and purity. In the center of the flag is the Guatemalan coat of arms.
The answer in the article (of the flag of Guatemala) is that its correct color is sky blue. However, according to the same article, in a poll people answered that the correct color was dark blue.