The hex color #252AD3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#DAD52C. The grayscale version is
#616161. A 20% lighter version of the original color is
#585DFF, and Hex
#0000A0 is the 20% darker color. If the color is saturated by 10%, you get
#1F25DE. If the color is desaturated by 10%, the color
#2B2FC8 is obtained.