The hex color #2e63a0 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#D19C5F. The grayscale version is
#666666. A 20% lighter version of the original color is
#6196D3, and Hex
#00306D is the 20% darker color. If the color is saturated by 10%, you get
#2863A6. If the color is desaturated by 10%, the color
#34639A is obtained.