Primary Blue — Primary 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 #0804F9 and RGB values of 8, 4, 249. Its dominant channel values give it a cool undertone that reads as vivid rather than flat. Primary Blue pairs well with cool grays for a modern, balanced look and works nicely in art and illustration palettes. Nearest neighbors: cobalt.