When I entered my hsa contributions it made my tax owed go up. Since HSA contributions are pre-tax, that seems wrong. Why do I have to pay tax on the HSA contributions?

When I entered my HSA contributions ($7,613.88) it made my tax owed go up by $2,589. Since HSA contributions are pre-tax, that seems wrong. Why do I have to pay tax on the HSA contributions? 

None of the answers to your questions address this.