Color #661a1a has an RGB value of (102, 26, 26). That makes it approximately 40% red, 10% green, and 10% blue. On the CYMK color model #661a1a is 0 cyan, 75 yellow, 75 magenta, and 60 black. It is also 0° hue, 59% saturation, and 25% lightness on the HSL color model and 0° hue, 75% saturation, and 40% value on the HSV color model. #661a1a is not a Pantone color, but it is close to Pantone color 175. #661a1a is not a DIC color, but it is close to DIC 2252s. #661a1a is not a web safe color, but it is close to #663333.