Cornflower blue

This hue was one of the favorites of the Dutch painter Johannes Vermeer.

[2] Robert Boyle reported a blue dye produced from the cornflower.

Coat color of Bavarian infantry in the early 19th Century especially found in the Napoleonic Era.

[12] The German popular song "Kornblumenblau" (literally "cornflower blue") humorously glorifies extreme drunkenness, blau being German slang for "drunk" and cornflower blue being an intense shade of the color.

[13] In Chuck Palahniuk's Fight Club, Cornflower blue is a color associated with the Narrator's boss; it is revealed that he chose that particular shade of blue to highlight an icon.

Cornflower blue sapphire
Cornflower blue sapphire