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040307

#040307 closest to Raven’s Coat

#040307 is a very dark black; the closest named color is Raven’s Coat. In the RGB color model it is made of 1.6% red, 1.2% green and 2.7% blue (rgb(4, 3, 7)). Its HSL value is 255° hue, 40% saturation and 2% lightness, and in CMYK it is 43% cyan, 57% magenta, 0% yellow and 97% black. #040307 is a neutral color. White text reads best on it, with a contrast ratio of 20.56:1.

Make a palette with #040307

#040307 color conversion

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HSB / HSV
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CIELCh
CIELUV
OKLCH

Variations of #040307

Shades

Mixed with black: richer and darker.

040307030205020204010102010102010001000000000000000000000000

Tints

Mixed with white: lighter and softer.

04030715131A2A282F413F4559585D7271768D8C90A8A7AAC4C4C6E1E1E2

Tones

Mixed with gray: calmer and more muted.

0403070C0B1117161B2321272F2D323B3A3E48474B565558636365727172

Hues

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

020407020408020408030308030307040307050307050306060305060305060204

Temperatures

Cooler on the left, warmer on the right.

0C16310B1128090D1F07091705050E0403070A060A120A0C1B0F0F2314112D1913

#040307 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

040307060703
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Split complementary

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

040307070603040703
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Analogous

Neighbouring hues — calm, cohesive and natural.

040307030407060307
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Triadic

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

040307070403030704
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Tetradic

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

040307070306060703030704
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Square

Four hues spaced at 90° — bold and playful.

040307070304060703030706
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#040307 for color-blind viewers (and dogs)

How #040307 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 98% similarHow dogs see it · simulated as #020307
  • Protanopia 98% similar1.3% of men, 0.02% of women · simulated as #020407
  • Protanomaly 99% similar1.3% of men, 0.02% of women · simulated as #030307
  • Deuteranopia 98% similar1.2% of men, 0.01% of women · simulated as #020307
  • Deuteranomaly 99% similar5% of men, 0.35% of women · simulated as #030307
  • Tritanopia 97% similar0.001% of men, 0.03% of women · simulated as #040404
  • Tritanomaly 99% similar0.0001% of men, 0.0001% of women · simulated as #040306
  • Achromatopsia 97% similar0.003% of men, 0.003% of women · simulated as #040404
  • Achromatomaly 98% similar0.001% of men, 0.001% of women · simulated as #040304

#040307 contrast checker

AaThe quick brown fox jumps over the lazy dog.
20.56:1 Super#040307 text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.02:1 Very poor#040307 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 #040307

Palettes with #040307

#040307 in CSS

/* Raven’s Coat */
.color { color: #040307; }
.background { background-color: #040307; }
.border { border: 1px solid #040307; }

/* Other notations */
color: rgb(4 3 7);
color: hsl(255 40% 2%);
color: oklch(0.103 0.015 297.6);

#040307 FAQ

What color is #040307?

#040307 is a very dark black. Its closest named color is Raven’s Coat. It belongs to the black color family and is a neutral color.

What is the RGB value of #040307?

#040307 is rgb(4, 3, 7) in RGB, hsl(255, 40%, 2%) in HSL and cmyk(43%, 57%, 0%, 97%) in CMYK.

What is the complementary color of #040307?

The complementary color of #040307 is #060703, which sits opposite it on the color wheel.

Which text color works on #040307?

White text has the best contrast on #040307: 20.56:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #040307 a warm or cool color?

#040307 is a neutral color.