Prussian blue

noun

1. a moderate to deep greenish blue.
2. one of the iron blues, a dark-blue, crystalline, water-insoluble pigment, Fe 4 [Fe(CN) 6 ] 3 , produced by reacting ferrocyanic acid or a ferrocyanide with a ferric compound: used in painting, fabric printing, and laundry bluing.

Prussian blue

noun

1. any of a number of blue pigments containing ferrocyanide or ferricyanide complexes
2. 1. the blue or deep greenish-blue colour of this pigment
   2. ( as adjective )

      a Prussian-blue carpet

Word History and Origins

Origin of Prussian blue¹

1715–25; translation of French bleu de Prusse, so called because it was discovered and first reported in Berlin, capital of Prussia

Example Sentences

You know the print: swoops of Prussian blue water topped with white foam curling like fingers above the abyss, Mount Fuji in the back.

From Seattle Times

The contrast between their rich orange trunks and the Prussian blue hue of the Sound sets up a complementary vibration of color that has brought me back to these places over and over again so that I can re-experience that sensation.

From Seattle Times

"There were just four stamps printed, and then there was a mistake and they printed several sheets in the wrong colour - Prussian blue - and they are very rare and very expensive."

From BBC

Although I'm much more accustomed to sticking to neutrals, I've learned I shouldn't fear an emerald green or Prussian blue.

From Salon

"There were just four stamps printed, and then there was a mistake and they printed several sheets in the wrong colour - Prussian blue - and they are very rare and very expensive."

From BBC