The hex color #5a363c is a dark color. The web-safe version is Hex
#663333. A complementary color is
#A5C9C3. The grayscale version is
#444444. A 20% lighter version of the original color is
#8D696F, and Hex
#270309 is the 20% darker color. If the color is saturated by 10%, you get
#5C353B. If the color is desaturated by 10%, the color
#58373D is obtained.