The hex color #2b1ebc is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D4E143. The grayscale version is
#575757. A 20% lighter version of the original color is
#5E51EF, and Hex
#000089 is the 20% darker color. If the color is saturated by 10%, you get
#2718C6. If the color is desaturated by 10%, the color
#2F24B2 is obtained.