The track at the High school where my sons went to school, is supposed to show the warrior blue and gold, but if azure is sky colored then I have always thought of this surface as sky blue
Wikipedia's definition:
Azure is a color that is commonly compared to the color of the sky on a clear summer's day.
On the RGB color wheel, "azure" (color #007FFF) is defined as the color at 210 degrees, i.e., the hue halfway between blue and cyan.
More varied than any landscape was the landscape in the sky, with islands of gold and silver, peninsulas of apricot and rose against a background of many shades of turquoise and azure.