The hex color #a1a6b3 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#5E594C. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#D4D9E6, and Hex
#6E7380 is the 20% darker color. If the color is saturated by 10%, you get
#A0A6B4. If the color is desaturated by 10%, the color
#A2A6B2 is obtained.