The hex color #2a27cb is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D5D834. The grayscale version is
#5F5F5F. A 20% lighter version of the original color is
#5D5AFE, and Hex
#000098 is the 20% darker color. If the color is saturated by 10%, you get
#2521D6. If the color is desaturated by 10%, the color
#2F2DC0 is obtained.