The hex color #2d1d3c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D2E2C3. The grayscale version is
#2D2D2D. A 20% lighter version of the original color is
#60506F, and Hex
#000009 is the 20% darker color. If the color is saturated by 10%, you get
#2D1B3E. If the color is desaturated by 10%, the color
#2D1F3A is obtained.