The hex color #1d1829 is a dark color. The web-safe version is Hex
#330033. A complementary color is
#E2E7D6. The grayscale version is
#1F1F1F. A 20% lighter version of the original color is
#504B5C, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#1D172A. If the color is desaturated by 10%, the color
#1D1928 is obtained.