I believe in embracing your under eyes BUT if you want to help cover dark circles, colour correcting is a must. A peachy/red (depending on skin tone) will help cover dark purple/blue colours. Use a tiny brush to pin point where you want to colour correct and don't apply too much under the whole eye area, only the parts that need Correcting.

Also....I love to use bronzer under the eyes to almost 'shade' in & contour the 'eye bag' to almost accentuate them, depending on what look you are going for it can look super gorgeous!