The hex color #000456 is a dark color. The web-safe version is Hex
#000066. A complementary color is
#FFFBA9. The grayscale version is
#1E1E1E. A 20% lighter version of the original color is
#333789, and Hex
#000023 is the 20% darker color. If the color is saturated by 10%, you get
#00015C. If the color is desaturated by 10%, the color
#030750 is obtained.