Start generating
181C19

#181C19 closest to Coco’s Black

#181C19 is a very dark gray; the closest named color is Coco’s Black. In the RGB color model it is made of 9.4% red, 11.0% green and 9.8% blue (rgb(24, 28, 25)). Its HSL value is 135° hue, 8% saturation and 10% lightness, and in CMYK it is 14% cyan, 0% magenta, 11% yellow and 89% black. #181C19 is a neutral color. White text reads best on it, with a contrast ratio of 17.23:1.

Make a palette with #181C19

#181C19 color conversion

HEX
RGB
HSL
HSB / HSV
HWB
CMYK
XYZ
CIELAB
CIELCh
CIELUV
OKLCH

Variations of #181C19

Shades

Mixed with black: richer and darker.

181C191317140F12100A0D0B070807040504020202010101000000000000

Tints

Mixed with white: lighter and softer.

181C192B2F2C3F43405458556A6D6B818482999B9AB2B3B2CBCCCBE5E5E5

Tones

Mixed with gray: calmer and more muted.

181C192125222B2E2B3437353E413F494B495355545E605F696A6A757575

Hues

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

1B1B171B1B171A1C17191C18191C18181C19171C1A171C1A171C1B171C1C161C1D

Temperatures

Cooler on the left, warmer on the right.

1D2F441C2C3B1B28321A242A192021181C1920201B29251D31291E3A2E20433221

#181C19 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

181C191C181B
Open in generator →

Split complementary

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

181C191B181C1C1819
Open in generator →

Analogous

Neighbouring hues — calm, cohesive and natural.

181C19191C18181C1B
Open in generator →

Triadic

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

181C1919181C1C1918
Open in generator →

Tetradic

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

181C19181B1C1C181B1C1918
Open in generator →

Square

Four hues spaced at 90° — bold and playful.

181C1918191C1C181B1C1B18
Open in generator →

#181C19 for color-blind viewers (and dogs)

How #181C19 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 #1B1B19
  • Protanopia 98% similar1.3% of men, 0.02% of women · simulated as #1C1B19
  • Protanomaly 99% similar1.3% of men, 0.02% of women · simulated as #1B1B19
  • Deuteranopia 99% similar1.2% of men, 0.01% of women · simulated as #1B1B19
  • Deuteranomaly 99% similar5% of men, 0.35% of women · simulated as #1A1B19
  • Tritanopia 99% similar0.001% of men, 0.03% of women · simulated as #171C1B
  • Tritanomaly 100% similar0.0001% of men, 0.0001% of women · simulated as #181C1A
  • Achromatopsia 98% similar0.003% of men, 0.003% of women · simulated as #1B1B1B
  • Achromatomaly 99% similar0.001% of men, 0.001% of women · simulated as #1A1B1A

#181C19 contrast checker

AaThe quick brown fox jumps over the lazy dog.
17.23:1 Super#181C19 text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.22:1 Very poor#181C19 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 #181C19

Palettes with #181C19

#181C19 in CSS

/* Coco’s Black */
.color { color: #181C19; }
.background { background-color: #181C19; }
.border { border: 1px solid #181C19; }

/* Other notations */
color: rgb(24 28 25);
color: hsl(135 8% 10%);
color: oklch(0.221 0.008 153.2);

#181C19 FAQ

What color is #181C19?

#181C19 is a very dark gray. Its closest named color is Coco’s Black. It belongs to the gray color family and is a neutral color.

What is the RGB value of #181C19?

#181C19 is rgb(24, 28, 25) in RGB, hsl(135, 8%, 10%) in HSL and cmyk(14%, 0%, 11%, 89%) in CMYK.

What is the complementary color of #181C19?

The complementary color of #181C19 is #1C181B, which sits opposite it on the color wheel.

Which text color works on #181C19?

White text has the best contrast on #181C19: 17.23:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #181C19 a warm or cool color?

#181C19 is a neutral color.