The term 'Heavenly Hue' is composed of two crossword solutions, AZURE (5 letters) and Hue (3 letters). AZURE is a deep blue color that is often associated with the sky or the sea. It is also the name of a cloud computing platform. Hue is a color or shade, usually referring to a range of colors from a single hue. Together, the two words form the phrase 'Heavenly Hue', which can be used to describe a beautiful, deep blue color.