Persian blue
Encyclopedia
Blue
Blue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 440–490 nm. It is considered one of the additive primary colours. On the HSV Colour Wheel, the complement of blue is yellow; that is, a colour corresponding to an equal...
; medium Persian blue (a medium slightly grayish blue that is slightly indigoish); and a kind of dark blue
Blue
Blue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 440–490 nm. It is considered one of the additive primary colours. On the HSV Colour Wheel, the complement of blue is yellow; that is, a colour corresponding to an equal...
that is much closer to the web color indigo
Indigo
Indigo is a color named after the purple dye derived from the plant Indigofera tinctoria and related species. The color is placed on the electromagnetic spectrum between about 420 and 450 nm in wavelength, placing it between blue and violet...
; this darker shade of Persian blue is referred to as Persian indigo, dark Persian blue. or regimental.).
Other colors associated with Persia include Persian red
Persian red
Persian red is a deep reddish orange earth or pigment from the Persian Gulf composed of a silicate of iron and alumina, with magnesia. It is also called artificial vermillion....
and Persian green.
Persian blue
The color Persian blue is named from the blue color of some Persian potteryIranian pottery
Iranian pottery or Persian pottery production presents a continuous history from the beginning of Iranian history until the present day....
and the color of tile
Tile
A tile is a manufactured piece of hard-wearing material such as ceramic, stone, metal, or even glass. Tiles are generally used for covering roofs, floors, walls, showers, or other objects such as tabletops...
s used in and on mosques and palaces
Iranian architecture
Iranian architecture or Persian architecture is the architecture of Iran . It has a continuous history from at least 5000 BCE to the present, with characteristic examples distributed over a vast area from Turkey to North India and the borders of China and from the Caucasus to Zanzibar...
in Iran
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...
and in other places in the Middle East. Persian blue is a representation of the color of the mineral lapis lazuli
Lapis lazuli
Lapis lazuli is a relatively rare semi-precious stone that has been prized since antiquity for its intense blue color....
which comes from Persia
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...
and Afghanistan
Afghanistan
Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...
. (The color azure
Azure (color)
The color bleu de France is displayed at right.Bleu de France is a color that has been associated in heraldry with the Kings of France since the 12th century.-Brandeis blue:...
is also named after the mineral lapis lazuli.)
The first recorded use of Persian blue as a color name in English
English language
English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...
was in 1669.
Persian indigo
Persian indigo is also called dark Persian blue. Another name for this color (seldom used nowadays) is regimental.Persian indigo is named for an association with a product from Persia
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...
: Persian cloth dyed with indigo
Indigo dye
Indigo dye is an organic compound with a distinctive blue color . Historically, indigo was a natural dye extracted from plants, and this process was important economically because blue dyes were once rare. Nearly all indigo dye produced today — several thousand tons each year — is synthetic...
.
The first recorded use of regimental (the original name for the color now called Persian indigo) as a color name in English
English language
English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...
was in 1912.