Red looks good on all skin tones, it’s just a matter of determining what shade.
-If you have a lower contrast between your hair and skin choose a red that is less saturated. If your skin tone is blue/pink in undertone choose a raspberry red, if it’s golden/bronze in undertone choose a persimmon red.
-If you have a higher contrast between your hair and skin choose a red that is more saturated. If your skin tone is blue/pink in undertone choose a cranberry or ruby red, if it’s golden/bronze in undertone choose a tomato red.