The hex color #2B2DAC is a dark color. The web-safe version is Hex
#333399. A complementary color is
#D4D253. The grayscale version is
#575757. A 20% lighter version of the original color is
#5E60DF, and Hex
#000079 is the 20% darker color. If the color is saturated by 10%, you get
#2729B5. If the color is desaturated by 10%, the color
#2F31A3 is obtained.