The hex color #2d27d3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D2D82C. The grayscale version is
#626262. A 20% lighter version of the original color is
#605AFF, and Hex
#0000A0 is the 20% darker color. If the color is saturated by 10%, you get
#2821DE. If the color is desaturated by 10%, the color
#322DC8 is obtained.