The hex color #c25b3b is a dark color. The web-safe version is Hex
#CC6633. A complementary color is
#3DA4C4. The grayscale version is
#737373. A 20% lighter version of the original color is
#F58E6E, and Hex
#8F2808 is the 20% darker color. If the color is saturated by 10%, you get
#CA5935. If the color is desaturated by 10%, the color
#BA5D41 is obtained.