The hex color #26636c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#D99C93. The grayscale version is
#525252. A 20% lighter version of the original color is
#59969F, and Hex
#003039 is the 20% darker color. If the color is saturated by 10%, you get
#22656F. If the color is desaturated by 10%, the color
#2A6169 is obtained.