The hex color #525cdc is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#ADA323. The grayscale version is
#838383. A 20% lighter version of the original color is
#858FFF, and Hex
#1F29A9 is the 20% darker color. If the color is saturated by 10%, you get
#4D58E5. If the color is desaturated by 10%, the color
#5760D3 is obtained.