My boyfriend is a racist

Hi I’m black and I’m 21 with my boyfriend for 3 years now he always says kinda racist jokes like you want chicken don’t u and u love watermelon and that I’m a coconut and that my private is blick and that I’m ashy I can’t swim which I can and that always pretends to say the n word. He also says weird comments about gypies, black men and south Asian men.

I can’t even tell if he’s joking.

Even if he is I tell him stop and he says I’m boring.

He always uses the p word and c words and laughs

When I tell him not to.

He’s only started being like this a year half ago, I’m really attached to him we spend everyday today for years, but he doesn’t listen and it makes me uncomfortable. What should I do? I try to educate him and tell him no he genuinely doesn’t listen I feel embarrassed to be with him when I know he does this.