The hex color #1a0d35 is a dark color. The web-safe version is Hex
#330033. A complementary color is
#E5F2CA. The grayscale version is
#1F1F1F. A 20% lighter version of the original color is
#4D4068, and Hex
#000002 is the 20% darker color. If the color is saturated by 10%, you get
#1A0B37. If the color is desaturated by 10%, the color
#1A0F33 is obtained.