O people, We have created you male and female and made you into nations and tribes that you may know one another. Verily, the most noble of you to Allah is the most righteous of you. Verily, Allah is knowing and aware.
Surat al-Hujurat 49:13
Among His signs is the creation of the heavens and the earth and the diversity of your languages and your colors. Verily, in that are signs for people of knowledge.
Surat al-Rum 30:22
No one is better than anyone else except by religion or good deeds. It is enough evil for a man to be profane, vulgar, greedy, or cowardly.
Source: Shu’ab al-Imān 4767, Grade: Sahih
Verily, Allah has removed from you the pride of the time of ignorance with its boasting of ancestors. Verily, one is only a righteous believer or a miserable sinner. All of the people are the children of Adam, and Adam was created from dust.
Source: Sunan al-Tirmidhī 3955, Grade: Sahih
Of all the critiques you can make of Islam, racism is certainly the most ludicrous.