The hex color #252D31 is a dark color. The web-safe version is Hex
#333333. A complementary color is
#DAD2CE. The grayscale version is
#2C2C2C. A 20% lighter version of the original color is
#586064, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#242D32. If the color is desaturated by 10%, the color
#262D30 is obtained.