Brown eye color is a dominant trait and blue eye color is a recessive trait. What typically happens when someone inherits one allele for brown eyes and one for blue eyes?

The person has brown eyes, and brown eye color remains a dominant trait.
The person has blue eyes, but brown eye color remains a dominant trait.
The person has brown eyes, but blue eye color becomes a dominant trait.
The person has blue eyes, and blue eye color becomes a dominant trait.