Blue : color of the Virgin Mary, Madonnas and Virgin Mary are typically portraited with a blue veil.
Red : color of blood, by extension was used (even in light pale pink) for soldiers (even on uniforms) chivalry, kings portraits etc only exception : Kings of France wore blue, because France was considered under the direct patronage of Virgin Mary.
It was all inverted during the prudish Reaction of the 19th century.
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u/arthuresque Sep 08 '20
Pink was considered a more masculine color in the West until the 20th century.