Azo blue is a versatile color that can be found in a wide range of different hues and shades. Some possible synonyms for this vibrant, eye-catching hue might include names like cobalt blue, navy blue, Royal blue, or teal. These different shades of blue all share some common traits, such as being rich, intense colors with a lot of depth and complexity. Whether you're looking for a darker, more understated take on the color or something bright and vibrant, there are lots of different options to choose from in the wide and varied world of azo blues.