A Row Over The Colors Of Argentina's Flag

Two shades of blueA row over the colours in Argentina’s flag

Putting the vex in vexillology

 Print edition | The Americas

Apr 20th 2017| BUENOS AIRES

ARGENTINA’S national colours are instantly recognisable. The flag’s sky-blue stripes and golden sun adorn everything from football shirts to fridge magnets. A huge monument in Rosario, a port city, marks the site where Manuel Belgrano, a founding father, raised the first flag in 1812. On the anniversary of his death, June 20th, schoolchildren pledge to honour the “white and sky-blue” colours.
But are they saluting the right shade of blue? A study published in a recent edition of Chemistry Select, a peer-reviewed journal, suggests not. Researchers at Argentina’s scientific research council (CONICET) and Brazil’s Federal University of Juiz de Fora examined silk threads from what is thought to be the oldest surviving flag, the enormous but faded San Francisco flag. The shocking discovery: its blue was ultramarine, a much darker pigment.

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This is about more than just getting the tint right. Years of civil war followed Argentina’s independence from Spain in 1816. The Federalists, led by Juan Manuel de Rosas, a bloodstained autocrat, fought for decentralised government with strong provinces under dark-blue colours. The Unitarians, who wanted a strong central government in Buenos Aires, rallied to the lighter shade. The dark-hued Federalists ruled from 1831 to 1852 but were eventually defeated by the sky-blue Unitarians. The colour war has never really ended. “These two visions of the country still persist,” says Francisco Gregoric, a vexillologist.
After the Unitarians’ triumph, most Argentines assumed that Belgrano’s flag must have been light blue, despite his reluctance to back the faction. That belief was shaken when researchers took a close look at the San Francisco flag, which they say was made in Europe in 1814. Though it has been bleached by age and by dust stirred up by decades of sugar-cane harvests, scientists used chemical analysis, X-rays and spectroscopy to determine that the pigment in its blue stripes was made from lapis lazuli, which produces the darker shade.

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Carlos Della Védova, a researcher at CONICET, says the findings apply only to the San Francisco flag (which, unlike modern ones, does not bear the 32-pointed “sun of May”). Still, he thinks, Belgrano’s original was probably the same colour as that of the San Francisco flag. The newer flag was a gift to the Temple of San Francisco, a school in the northern province of Tucumán, from Bernabé Aráoz, a comrade-in-arms of Belgrano. Mr Della Védova doubts the two soldiers took different views of hue. “Aráoz was aware of Belgrano’s ideas about the flag,” he says.
Some historians detect in the colour shift a sneaky attempt to rehabilitate De Rosas’s reputation. Juan Pablo Bustos Thames, author of a book about the San Francisco flag and owner of a full-scale (sky-blue) replica, says the scientists ignored contemporary documents that attest to a lighter colour. Manuel Belgrano, a descendant of the independence hero, says it is unthinkable that his ancestor would have favoured ultramarine. “There’s no doubt about the colour”, he told Clarín, a newspaper.
Whatever the truth, Argentines will not soon wave ultramarine flags. In 2002 IRAM, the national standard-setting agency, confirmed the lighter colour by specifying its co-ordinates in the Lab colour system. It also set out how thick the stripes should be and how the sun should look. A decree in 2010 by the then-president, Cristina Fernández de Kirchner, enshrined those standards in law. Argentines are not about to change their stripes, whatever the chemists say.

This article appeared in the The Americas section of the print edition under the headline "Two shades of blue"

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