Popsugar Beauty Beauty Trends Blue-Black Hair Color: Ideas and Inspiration The Blue-Black Hair-Color Trend Is an Unexpected Hit This Winter November 7, 2024 by Naomi Parris View On One Page Photo 2 of 7 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by MATT REZ (@colorbymattrez) Share This Link Copy ← Use Arrow Keys → 2 Deep Blue-Black Hair This shade is perfect if you want a cool, deep tone but don't want to commit to the intensity of full-on jet black. Previous Next Start Slideshow Beauty TrendsHairHair TrendsHair Color