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181D2F

#181D2F closest to Sombre Night

#181D2F is a very dark, muted blue; the closest named color is Sombre Night. In the RGB color model it is made of 9.4% red, 11.4% green and 18.4% blue (rgb(24, 29, 47)). Its HSL value is 227° hue, 32% saturation and 14% lightness, and in CMYK it is 49% cyan, 38% magenta, 0% yellow and 82% black. #181D2F is a cool color. White text reads best on it, with a contrast ratio of 16.72:1.

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#181D2F color conversion

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Variations of #181D2F

Shades

Mixed with black: richer and darker.

181D2F1318270F13200A0E1907091204050C020306010103000001000000

Tints

Mixed with white: lighter and softer.

181D2F2B30413F44545459686A6F7C818591999CA6B2B4BBCBCDD2E5E6E8

Tones

Mixed with gray: calmer and more muted.

181D2F2126372B2F3E3439463E424E494C5653565F5E6067696B6F757578

Hues

The same lightness and chroma, rotated around the color wheel.

07222A0A212C0D202D111F2E151E2F181D2F1B1C2F1E1B2E211A2C24192A261828

Temperatures

Cooler on the left, warmer on the right.

1D2F561C2B4E1B28461A243E192136181D2F202231292632312B343A3035433436

#181D2F color harmonies

Complementary

The opposite hue — maximum contrast and energy.

181D2F2F2A18
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Split complementary

The two hues next to the complement — contrast with less tension.

181D2F2F1E18292F18
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Analogous

Neighbouring hues — calm, cohesive and natural.

181D2F18292F1E182F
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Triadic

Three hues evenly spaced at 120° — vibrant yet balanced.

181D2F2F181D1D2F18
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Tetradic

Two complementary pairs — rich, best with one dominant color.

181D2F2A182F2F2A181D2F18
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Square

Four hues spaced at 90° — bold and playful.

181D2F2F18292F2A18182F1E
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#181D2F for color-blind viewers (and dogs)

How #181D2F appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 99% similarHow dogs see it · simulated as #151D2F
  • Protanopia 99% similar1.3% of men, 0.02% of women · simulated as #171F30
  • Protanomaly 99% similar1.3% of men, 0.02% of women · simulated as #171E2F
  • Deuteranopia 99% similar1.2% of men, 0.01% of women · simulated as #151D2F
  • Deuteranomaly 99% similar5% of men, 0.35% of women · simulated as #161D2F
  • Tritanopia 93% similar0.001% of men, 0.03% of women · simulated as #112123
  • Tritanomaly 97% similar0.0001% of men, 0.0001% of women · simulated as #161F2A
  • Achromatopsia 93% similar0.003% of men, 0.003% of women · simulated as #1E1E1E
  • Achromatomaly 95% similar0.001% of men, 0.001% of women · simulated as #1C1E23

#181D2F contrast checker

AaThe quick brown fox jumps over the lazy dog.
16.72:1 Super#181D2F text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.26:1 Very poor#181D2F text on black
AA normalFailAAA normalFail
AA largeFailAAA largeFail

Need another background? Pick any pair in the palette generator and open the contrast panel.

Colors similar to #181D2F

Palettes with #181D2F

#181D2F in CSS

/* Sombre Night */
.color { color: #181D2F; }
.background { background-color: #181D2F; }
.border { border: 1px solid #181D2F; }

/* Other notations */
color: rgb(24 29 47);
color: hsl(227 32% 14%);
color: oklch(0.235 0.036 271.6);

#181D2F FAQ

What color is #181D2F?

#181D2F is a very dark, muted blue. Its closest named color is Sombre Night. It belongs to the blue color family and is a cool color.

What is the RGB value of #181D2F?

#181D2F is rgb(24, 29, 47) in RGB, hsl(227, 32%, 14%) in HSL and cmyk(49%, 38%, 0%, 82%) in CMYK.

What is the complementary color of #181D2F?

The complementary color of #181D2F is #2F2A18, which sits opposite it on the color wheel.

Which text color works on #181D2F?

White text has the best contrast on #181D2F: 16.72:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #181D2F a warm or cool color?

#181D2F is a cool color.