Pigments…
Traditionally, blue has been considered a primary colour in painting, with the secondary colour orange as its complement.
Blue pigments include azurite (Cu3(CO3)2(OH)2), ultramarine (Na8-10Al6Si6O24S2-4), cerulean blue (primarily cobalt (II) stanate: Co2SnO4), cobalt blue (cobalt(II) aluminate: CoAl2O4), and Prussian blue (milori blue: primarily Fe7(CN)18).
Scientific natural standards for blue
- Emission spectrum of Cu2+
- Electronic spectrum of aqua-ions Cu(H2O)52+
Symbolic language…
- In the English language, blue often represents the human emotion of sadness, e.g. “He was feeling blue”. In German, on the other hand, to be “blue” (blau sein) is to be drunk. This derives from the ancient use of urine (which is produced copiously by the human body after drinking alcohol) in dyeing cloth blue with woad or indigo.
National colours…
- Azzurro a light blue, is the national colour of Italy (from the livery colour of the former reigning family, the House of Savoy).
- Blue is the national sports colour for India, as it denotes secularism.
- Blue is the national colour used on flags of several countries surrounded by seas or oceans such as Australia and Europe, though not necessarily with this interpretation in mind.
- Blue and white are the national colours of Argentina, El Salvador, Finland, Greece, Guatemala, Honduras, Israel, Micronesia, Nicaragua, and Somalia as well as of the United Nations Organization using a light shade of blue symbolizing peace.
- Blue and yellow are the national colours of Barbados, Kazakhstan, Palau, Sweden, and Ukraine, and along with green, of Brazil, and along with red, of Chad, Colombia, Ecuador, Moldova, Romania, and Venezuela.
- Blue, white and yellow are the national colours of Bosnia and Herzegovina, Kosovo and Uruguay.
- Blue and red are the national colours of Haiti and Liechtenstein, and along with white (where it composed the French tricolour whose simple design or colours were taken by other countries), of Australia, Cambodia, Costa Rica, Chile, Croatia, Cuba, the Czech Republic, the Dominican Republic, France, Iceland, North Korea, Laos, Liberia, Luxembourg, Myanmar, Nepal, the Netherlands, New Zealand, Norway, Panama, Paraguay, Russia, Samoa, Serbia, Slovakia, Slovenia, Thailand, the United Kingdom, and the United States.
- Blue, white and black are the national colours of Estonia.
Mysticism…
- In the metaphysics of the “New Age Prophetess”, Alice Bailey, in her system called the Seven Rays which classifies humans into seven different metaphysical psychological types, the “first ray” of “will-power” is represented by the colour blue. People who have this metaphysical psychological type are said to be “on the Blue Ray”.
- In Hinduism, Blue is used to symbolically represent the fifth, throat chakra (Vishuddha).
- Psychics who claim to be able to observe the aura with their third eye report that someone with a blue aura is a person who is oriented toward spirituality. People with blue auras are said to be interested in social service work and to be in occupations such as social worker, counsellor, teacher, writer, and psychologist.
Nice!