The hex color #b3351a is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#4CCAE5. The grayscale version is
#565656. A 20% lighter version of the original color is
#E6684D, and Hex
#800200 is the 20% darker color. If the color is saturated by 10%, you get
#BC3214. If the color is desaturated by 10%, the color
#AA3820 is obtained.