Marine Blue — Marine Blue is a distinctive shade whose name reflects its overall visual character. It belongs to the Blue family: a dark, vivid tone with hex code #01386A and RGB values of 1, 56, 106. Its dominant channel values give it a cool undertone that reads as vivid rather than flat. Marine Blue pairs well with deep charcoal or black for contrast and works nicely in web and app interfaces. Nearest neighbors: cobalt.