All About Color #181F2A

#181F2A

About #181F2A

#181F2A is a very dark blue color with the hex code #181F2A. In RGB it is red 24, green 31, blue 42; in HSL it is hue 217°, saturation 27%, lightness 13%; in CMYK it is 43%, 26%, 0%, 84%. Its contrast ratio is 16.56:1 on white and 1.27:1 on black.

#181F2A Color Conversion

Hex triplet18, 1F, 2A
CMYK42.86%, 26.19%, 0.00%, 83.53%
RGB Decimal24, 31, 42
HSL217°, 27%, 13%
RGB Octal30, 37, 52
HSV (HSB)216.67°, 42.86%, 16.47%
RGB Binary11000, 11111, 101010
CIE-L*AB11.56, 0.30, -8.41
RGB Percent9.41%, 12.16%, 16.47%
CIE-L*CH11.56, 8.42, 272.05
XYZ1.28, 1.34, 2.38
CIE-L*UV11.56, -2.68, -6.84
xyY0.26, 0.27, 1.34
Hunter-Lab11.58, -0.47, -4.09
RYB9.41%, 11.39%, 16.47%

Color Accessibility Scores

#181F2A on a dark background: contrast 1.27:1, fails WCAG AA.
#181F2A on a light background: contrast 16.56:1, passes WCAG AAA.

Color Shades

Tints and shades of #181F2A, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #181F2A. Open any of them in the Muzli palette generator.

Complementary palette

#181F2A · #3A4A64 · #090C10 · #2A2318 · #64543A

Analogous palette

#182A23 · #18282A · #181F2A · #1A182A · #23182A

Triadic palette

#181F2A · #2A181F · #1F2A18 · #3A4A64 · #643A4A

Tetradic palette

#181F2A · #2A1828 · #2A2318 · #182A1A · #090C10

Monochromatic palette

#090C10 · #090C10 · #181F2A · #34435B · #50678B

Generate more palettes containing #181F2A · Browse all color names

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