In particular: deep, dark shades of sapphire blue polish. Recently, Hailey Bieber rocked a stunning shade of near-navy blue nails (OPI’s Nail Lacquer in Midnight Mantra, specifically).

OPI Midnight Mantra is deep navy shade with a glossy midnight blue tone that looks so expensive. Currently, it's only available in the gel polish on OPI's website ...

OPI Nail Polish, $11.99 in “Midnight Mantra” OPI is one of our favorite brands for an at-home manicure, due to the lasting power of the polish (you’ll typically get up to seven days chip ...

The verdict: OPI’s strengthening nail polishes If you’re in need of a new nail treatment, OPI repair mode is presented in a luxe-looking bottle, dries fast and is satisfying to use.