The hex color #1d1929 is a dark color. The web-safe version is Hex
#330033. A complementary color is
#E2E6D6. The grayscale version is
#202020. A 20% lighter version of the original color is
#504C5C, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#1D182A. If the color is desaturated by 10%, the color
#1D1A28 is obtained.