Hawaii Revised Statutes Division 2. Business § 431:10A-143

No individual policy of accident and health or sickness insurance and no health insurer offering individual accident and health or sickness insurance coverage issued or renewed in this State shall require an individual, as a condition of enrollment or continued enrollment under the policy, to pay a premium or contribution based on the individual's gender that is greater than the premium or contribution for a similarly situated individual of the opposite gender who is covered under the same policy or a substantially similar policy offered by the same insurer.