All About Color #181B18

#181B18

About #181B18

#181B18 is a very dark gray color with the hex code #181B18. In RGB it is red 24, green 27, blue 24; in HSL it is hue 120°, saturation 6%, lightness 10%; in CMYK it is 11%, 0%, 11%, 89%. Its contrast ratio is 17.37:1 on white and 1.21:1 on black.

#181B18 Color Conversion

Hex triplet18, 1B, 18
CMYK11.11%, 0.00%, 11.11%, 89.41%
RGB Decimal24, 27, 24
HSL120°, 6%, 10%
RGB Octal30, 33, 30
HSV (HSB)120.00°, 11.11%, 10.59%
RGB Binary11000, 11011, 11000
CIE-L*AB9.35, -2.20, 1.60
RGB Percent9.41%, 10.59%, 9.41%
CIE-L*CH9.35, 2.72, 144.01
XYZ0.93, 1.04, 1.02
CIE-L*UV9.35, -0.94, 1.22
xyY0.31, 0.35, 1.04
Hunter-Lab10.22, -1.57, 1.25
RYB9.41%, 10.59%, 10.59%

Color Accessibility Scores

#181B18 on a dark background: contrast 1.21:1, fails WCAG AA.
#181B18 on a light background: contrast 17.37:1, passes WCAG AAA.

Color Shades

Tints and shades of #181B18, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #181B18. Open any of them in the Muzli palette generator.

Complementary palette

#181B18 · #434C43 · #0C0E0C · #1B181B · #4C434C

Analogous palette

#1B1B18 · #1A1B18 · #181B18 · #181B1A · #181B1B

Triadic palette

#181B18 · #18181B · #1B1818 · #434C43 · #43434C

Tetradic palette

#181B18 · #181A1B · #1B181B · #1B1A18 · #0C0E0C

Monochromatic palette

#0C0E0C · #0C0E0C · #181B18 · #3C443C · #606C60

Generate more palettes containing #181B18 · Browse all color names

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