263237

#263237 Nightmare Fuel

#263237 is a dark gray named Nightmare Fuel. In the RGB color model it is made of 14.9% red, 19.6% green and 21.6% blue (rgb(38, 50, 55)). Its HSL value is 198° hue, 18% saturation and 18% lightness, and in CMYK it is 31% cyan, 9% magenta, 0% yellow and 78% black. #263237 is a neutral color. White text reads best on it, with a contrast ratio of 13.18:1.

#263237 color conversion

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OKLCH

Variations of #263237

Shades

Mixed with black: richer and darker.

Tints

Mixed with white: lighter and softer.

Tones

Mixed with gray: calmer and more muted.

Hues

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

Temperatures

Cooler on the left, warmer on the right.

#263237 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

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Split complementary

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

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Analogous

Neighbouring hues — calm, cohesive and natural.

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Triadic

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

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Tetradic

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

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Square

Four hues spaced at 90° — bold and playful.

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#263237 for color-blind viewers (and dogs)

How #263237 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 97% similarHow dogs see it · simulated as #2D2F37
  • Protanopia 97% similar1.3% of men, 0.02% of women · simulated as #2F3137
  • Protanomaly 98% similar1.3% of men, 0.02% of women · simulated as #2D3137
  • Deuteranopia 97% similar1.2% of men, 0.01% of women · simulated as #2D2F37
  • Deuteranomaly 98% similar5% of men, 0.35% of women · simulated as #2B3037
  • Tritanopia 98% similar0.001% of men, 0.03% of women · simulated as #213434
  • Tritanomaly 99% similar0.0001% of men, 0.0001% of women · simulated as #243335
  • Achromatopsia 96% similar0.003% of men, 0.003% of women · simulated as #303030
  • Achromatomaly 97% similar0.001% of men, 0.001% of women · simulated as #2E3132

#263237 contrast checker

AaThe quick brown fox jumps over the lazy dog.
13.18:1 Super#263237 text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.59:1 Very poor#263237 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 #263237

Palettes with #263237

#263237 in CSS

/* Nightmare Fuel */
.color { color: #263237; }
.background { background-color: #263237; }
.border { border: 1px solid #263237; }

/* Other notations */
color: rgb(38 50 55);
color: hsl(198 18% 18%);
color: oklch(0.308 0.019 225.2);

#263237 FAQ

What color is #263237?

#263237 is a dark gray. Its closest named color is Nightmare Fuel. It belongs to the gray color family and is a neutral color.

What is the RGB value of #263237?

#263237 is rgb(38, 50, 55) in RGB, hsl(198, 18%, 18%) in HSL and cmyk(31%, 9%, 0%, 78%) in CMYK.

What is the complementary color of #263237?

The complementary color of #263237 is #372B26, which sits opposite it on the color wheel.

Which text color works on #263237?

White text has the best contrast on #263237: 13.18:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #263237 a warm or cool color?

#263237 is a neutral color.