>>213522948
blue and black weren't considered separate colors in the past, and that is Maha Kali ("dark mother"), the dark form of Shakti, Shiva's wife, when she loses control and gives in to her dark form and slays the buffalo demon king Mahishasur, as told in the stotra Mahishasura Mardini
...I had a Sanskrit phase back in 2018/2019
anyway, c.f. how Africans were called "bluemen" by the Vikings, etc
red was also not different from orange until very recently ("orange" as a color definition is relaitvely new), and this extends to similar shades, like gold, where gold was often referred to as red