Displayed in the color box is the colour dark sky blue. This is the colour called sky blue in Pantone. The source of this colour is the "Pantone Textile Paper eXtended (TPX)" colour list, color #14-4318 TPX—Sky Blue.
Displayed in the color box is the colour vivid sky blue. Sky blue refers to a collection of shades comparable to that of a clear daytime sky. The term (as "sky blew") is attested from 1681.
Deep sky blue is an azure-cyan color associated with deep sky blue.
This color is on the color wheel (RGB/HSV color wheel) halfway between azure and cyan.
The traditional name for this color is Capri.
The first use of Capri as a color name in English was in 1920.
The color Capri in general is named for the azure-cyan color of the Mediterranean Sea around the island of Capri off Italy, the site of several villas belonging to the Roman Emperor Tiberius, including his imperial residence in his later years, the Villa Jovis. Specifically, the color Capri is named after the color of the Blue Grotto on the island of Capri as it appears on a bright sunny day.
French sky blue is the specific tone of sky blue referred to as bleu ciel in the Pourpre.com color list, which is widely popular in France. Sky blue refers to a collection of shades comparable to that of a clear daytime sky. The term (as "sky blew") is attested from 1681.
Medium sky blue, also known as sky blue in Crayola crayons, was introduced by Crayola in 1958. This color can be found in the 32, 48, 64, 96, and 120 packs of crayons.