All About Color #1B1C17

#1B1C17

About #1B1C17

#1B1C17 is a very dark gray color with the hex code #1B1C17. In RGB it is red 27, green 28, blue 23; in HSL it is hue 72°, saturation 10%, lightness 10%; in CMYK it is 4%, 0%, 18%, 89%. Its contrast ratio is 17.14:1 on white and 1.23:1 on black.

#1B1C17 Color Conversion

Hex triplet1B, 1C, 17
CMYK3.57%, 0.00%, 17.86%, 89.02%
RGB Decimal27, 28, 23
HSL72°, 10%, 10%
RGB Octal33, 34, 27
HSV (HSB)72.00°, 17.86%, 10.98%
RGB Binary11011, 11100, 10111
CIE-L*AB10.00, -1.69, 3.30
RGB Percent10.59%, 10.98%, 9.02%
CIE-L*CH10.00, 3.71, 117.13
XYZ1.02, 1.13, 0.97
CIE-L*UV10.00, -0.20, 2.35
xyY0.33, 0.36, 1.13
Hunter-Lab10.61, -1.37, 1.98
RYB9.02%, 10.98%, 9.41%

Color Accessibility Scores

#1B1C17 on a dark background: contrast 1.23:1, fails WCAG AA.
#1B1C17 on a light background: contrast 17.14:1, passes WCAG AAA.

Color Shades

Tints and shades of #1B1C17, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #1B1C17. Open any of them in the Muzli palette generator.

Complementary palette

#1B1C17 · #4C4F40 · #0E0E0B · #18171C · #43404F

Analogous palette

#1C1817 · #1C1B17 · #1B1C17 · #181C17 · #171C18

Triadic palette

#1B1C17 · #171B1C · #1C171B · #4C4F40 · #404C4F

Tetradic palette

#1B1C17 · #171C1B · #18171C · #1C1718 · #0E0E0B

Monochromatic palette

#0E0E0B · #0E0E0B · #1B1C17 · #444639 · #6C705C

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