The hex color #b5453c is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#4ABAC3. The grayscale version is
#676767. A 20% lighter version of the original color is
#E8786F, and Hex
#821209 is the 20% darker color. If the color is saturated by 10%, you get
#BD4238. If the color is desaturated by 10%, the color
#AD4840 is obtained.