1. NYX COSMETICS Studio Liquid Liner in Extreme Blue ($4.50 @ amazon.com) – brightest cobalt blue.

2. CIATÉ LONDON Mini Paint Pot Nail Polish and Effects in Pool Party ($8 @ ciatelondon.com) – a deep azure blue.

3. MAKE BEAUTY Matte Finish Eyeshadow in Ultramarine ($25 @ makebeauty.com) – bright blue w/violet undertone.

4.TARINA TARANTINO Eye Dream Hyperliner in CuteRobot ($15 @ dermstore.com) – deep blue violet

5. FOREVER 21 Shimmer Eyewear in Sapphire 511 ($7.80 @ forever 21.com) – blackened shadow with cobalt shimmer.