FWIW, “mauve” was one of the coal-tar dyes developed in the mid-19th century that made eye-wateringly bright clothing fashionable for a few decades.
It was an eye-popping magenta purple
ALT
HOWEVER, like most aniline dyes, it faded badly, to a washed-out blue-grey …
…which was the color ignorant youngsters in the 1920s associated with “mauve”.
(This dress is labeled “mauve” as it is the color the above becomes after fading).
ALT
They colored their vision of the past with washed-out pastels that were NOTHING like the eye-popping electric shades the mid-Victorians loved. This 1926 fashion history book by Paul di Giafferi paints a hugely distorted, I would say dishonest picture of the past.
ALT
Ever since then this faded bluish lavender and not the original electric eye-watering hot pink-purple is the color associated with the word “mauve”.
ALT
Oh! Just like the Victorians did to the Gothic, where actual Gothic cathedrals which had been built to be bright and full of light were portrayed as dark and gloomy places, because that’s what happens after a cathedral is filled with candles for several hundred years.