The hex color #24525c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#DBADA3. The grayscale version is
#464646. A 20% lighter version of the original color is
#57858F, and Hex
#001F29 is the 20% darker color. If the color is saturated by 10%, you get
#21535E. If the color is desaturated by 10%, the color
#27515A is obtained.