The hex color #1d1c2f is a dark color. The web-safe version is Hex
#333333. A complementary color is
#E2E3D0. The grayscale version is
#232323. A 20% lighter version of the original color is
#504F62, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#1C1B30. If the color is desaturated by 10%, the color
#1E1D2E is obtained.