Blue Blue — Blue Blue is a distinctive shade whose name reflects its overall visual character. It belongs to the Blue family: a medium-toned, vivid tone with hex code #2242C7 and RGB values of 34, 66, 199. Its dominant channel values give it a cool undertone that reads as vivid rather than flat. Blue Blue pairs well with deep charcoal or black for contrast and works nicely in web and app interfaces. Nearest neighbors: cobalt.