The hex color #c3664d is a dark color. The web-safe version is Hex
#CC6666. A complementary color is
#3C99B2. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#F69980, and Hex
#90331A is the 20% darker color. If the color is saturated by 10%, you get
#CA6448. If the color is desaturated by 10%, the color
#BC6852 is obtained.