The hex color #00015b is a dark color. The web-safe version is Hex
#000066. A complementary color is
#FFFEA4. The grayscale version is
#1F1F1F. A 20% lighter version of the original color is
#33348E, and Hex
#000028 is the 20% darker color. If the color is saturated by 10%, you get
#000061. If the color is desaturated by 10%, the color
#030455 is obtained.