The hex color #26639c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#D99C63. The grayscale version is
#626262. A 20% lighter version of the original color is
#5996CF, and Hex
#003069 is the 20% darker color. If the color is saturated by 10%, you get
#2063A2. If the color is desaturated by 10%, the color
#2C6396 is obtained.