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040A0F

#040A0F closest to Black Knight

#040A0F is a very dark black; the closest named color is Black Knight. In the RGB color model it is made of 1.6% red, 3.9% green and 5.9% blue (rgb(4, 10, 15)). Its HSL value is 207° hue, 58% saturation and 4% lightness, and in CMYK it is 73% cyan, 33% magenta, 0% yellow and 94% black. #040A0F is a neutral color. White text reads best on it, with a contrast ratio of 19.90:1.

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#040A0F color conversion

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OKLCH

Variations of #040A0F

Shades

Mixed with black: richer and darker.

040A0F03070B020508010305010203010102000101000000000000000000

Tints

Mixed with white: lighter and softer.

040A0F161D222B323742484D5A606473787C8D9294A9ACAEC5C7C8E1E3E3

Tones

Mixed with gray: calmer and more muted.

040A0F0D1419181E2323292D2F35383C4044494C4F56595B646667727373

Hues

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

030B0A030B0B030B0D030B0E030A0E040A0F050A0F06091007091008081009080F

Temperatures

Cooler on the left, warmer on the right.

091F39081A3007162706121F050E17040A0F0B0F121414141D1916261E182F231A

#040A0F color harmonies

Complementary

The opposite hue — maximum contrast and energy.

040A0F0F0904
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Split complementary

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

040A0F0F04050F0E04
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Analogous

Neighbouring hues — calm, cohesive and natural.

040A0F040F0F04040F
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Triadic

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

040A0F0F040A0A0F04
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Tetradic

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

040A0F09040F0F09040A0F04
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Square

Four hues spaced at 90° — bold and playful.

040A0F0E040F0F0904050F04
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#040A0F for color-blind viewers (and dogs)

How #040A0F 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 #06090F
  • Protanopia 98% similar1.3% of men, 0.02% of women · simulated as #080A0F
  • Protanomaly 99% similar1.3% of men, 0.02% of women · simulated as #070A0F
  • Deuteranopia 99% similar1.2% of men, 0.01% of women · simulated as #06090F
  • Deuteranomaly 99% similar5% of men, 0.35% of women · simulated as #06090F
  • Tritanopia 97% similar0.001% of men, 0.03% of women · simulated as #010B0C
  • Tritanomaly 99% similar0.0001% of men, 0.0001% of women · simulated as #030B0E
  • Achromatopsia 97% similar0.003% of men, 0.003% of women · simulated as #090909
  • Achromatomaly 98% similar0.001% of men, 0.001% of women · simulated as #08090B

#040A0F contrast checker

AaThe quick brown fox jumps over the lazy dog.
19.90:1 Super#040A0F text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.06:1 Very poor#040A0F 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 #040A0F

Palettes with #040A0F

#040A0F in CSS

/* Black Knight */
.color { color: #040A0F; }
.background { background-color: #040A0F; }
.border { border: 1px solid #040A0F; }

/* Other notations */
color: rgb(4 10 15);
color: hsl(207 58% 4%);
color: oklch(0.140 0.016 238.2);

#040A0F FAQ

What color is #040A0F?

#040A0F is a very dark black. Its closest named color is Black Knight. It belongs to the black color family and is a neutral color.

What is the RGB value of #040A0F?

#040A0F is rgb(4, 10, 15) in RGB, hsl(207, 58%, 4%) in HSL and cmyk(73%, 33%, 0%, 94%) in CMYK.

What is the complementary color of #040A0F?

The complementary color of #040A0F is #0F0904, which sits opposite it on the color wheel.

Which text color works on #040A0F?

White text has the best contrast on #040A0F: 19.90:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #040A0F a warm or cool color?

#040A0F is a neutral color.