The hex color #2e1d33 is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D1E2CC. The grayscale version is
#2A2A2A. A 20% lighter version of the original color is
#615066, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#2E1C34. If the color is desaturated by 10%, the color
#2E1E32 is obtained.