The hex color #2639cc is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D9C633. The grayscale version is
#646464. A 20% lighter version of the original color is
#596CFF, and Hex
#000699 is the 20% darker color. If the color is saturated by 10%, you get
#2035D6. If the color is desaturated by 10%, the color
#2C3DC2 is obtained.