All About Color #1B2531

#1B2531

About #1B2531

#1B2531 is a very dark blue color with the hex code #1B2531. In RGB it is red 27, green 37, blue 49; in HSL it is hue 213°, saturation 29%, lightness 15%; in CMYK it is 45%, 24%, 0%, 81%. Its contrast ratio is 15.49:1 on white and 1.36:1 on black.

#1B2531 Color Conversion

Hex triplet1B, 25, 31
CMYK44.90%, 24.49%, 0.00%, 80.78%
RGB Decimal27, 37, 49
HSL213°, 29%, 15%
RGB Octal33, 45, 61
HSV (HSB)212.73°, 44.90%, 19.22%
RGB Binary11011, 100101, 110001
CIE-L*AB14.28, -0.57, -9.27
RGB Percent10.59%, 14.51%, 19.22%
CIE-L*CH14.28, 9.29, 266.50
XYZ1.67, 1.78, 3.16
CIE-L*UV14.28, -3.97, -8.39
xyY0.25, 0.27, 1.78
Hunter-Lab13.33, -1.01, -4.72
RYB10.59%, 13.28%, 19.22%

Color Accessibility Scores

#1B2531 on a dark background: contrast 1.36:1, fails WCAG AA.
#1B2531 on a light background: contrast 15.49:1, passes WCAG AAA.

Color Shades

Tints and shades of #1B2531, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #1B2531. Open any of them in the Muzli palette generator.

Complementary palette

#1B2531 · #3C526D · #090C10 · #31271B · #6D573C

Analogous palette

#1B3127 · #1B3031 · #1B2531 · #1C1B31 · #271B31

Triadic palette

#1B2531 · #311B25 · #25311B · #3C526D · #6D3C52

Tetradic palette

#1B2531 · #311B30 · #31271B · #1B311C · #090C10

Monochromatic palette

#090C10 · #090C10 · #1B2531 · #364A63 · #516F94

Generate more palettes containing #1B2531 · Browse all color names

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