The hex color #00016f is a dark color. The web-safe version is Hex
#000066. A complementary color is
#FFFE90. The grayscale version is
#252525. A 20% lighter version of the original color is
#3334A2, and Hex
#00003C is the 20% darker color. If the color is saturated by 10%, you get
#000076. If the color is desaturated by 10%, the color
#040568 is obtained.