Move over, cobalt. "The most modern blues are ones that are softer, such as sky blue, cornflower blue, or even cerulean," she said. "The gentler blues give your fingertips a seaside vibe that's really nice for warmer months — and isn't as jarring as Yves Klein blue. We're also super into dusty denim shades, too."
Deborah Lippmann Nail Colour in Blue Orchid ($18)