The Myth of white Aryans

We have been told that white skinned Aryans migrated to/Invaded India and oppressed dark skinned Natives.

However it is not truth and the obsession with white skin is a colonial mindset

The fact is that many Brahmins and Kshatriyas had Dark skin even thousands of years ago, many still have.

For example Dronācharya had dark skin-
(Mahabhara)

One of the greatest Rishis of his time Maharishi Vyasa was dark skinned

Rukmini was dark skinned (SS from Harivansha Purana)

She is described as "Dark and beautiful"

Arjuna had Dark skin that's why he was named Krishna

Draupari had dark skin that's why she was called Krishnā

Kshatriyas and Brahmins had Dark skin according to texts.
If white Aryans came from outside, why will they describe their greatest heroes as Dark skinned?

In fact there was no color based discrimination, Beauty is independent of skin color