Dark Auburn

HEX #8C181A / RGB (140, 24, 26)

What is Dark Auburn Color?

Dark Auburn (Hex code: 8C181A) Thumbnail

Dark Auburn has the hex code #8C181A. The equivalent RGB values are (140, 24, 26), which means it is composed of 74% red, 13% green and 14% blue. The CMYK color codes, used in printers, are C:0 M:83 Y:81 K:45. In the HSV/HSB scale, Dark Auburn has a hue of 359°, 83% saturation and a brightness value of 55%.
Details of other color codes including equivalent web safe and HTML & CSS colors are given in the table below. Also listed are the closest Pantone® (PMS) and RAL colors.

Dark Auburn is not part of the web colors list and, therefore, cannot be used by name in HTML and CSS code. The best way to apply the color to a web page is to put in the hex, RGB and/or HSL values. Please also note that the CMYK numbers mentioned on this page have been calculated from the hex code using well-known formulae and are only approximations.

Dark Auburn Color Codes

Hex Code#8C181A
RGB Values(140, 24, 26)
CMYK Values(0%, 83%, 81%, 45%)
HSV/HSB Values(359°, 83%, 55%)
Closest Web Safe#990033
Inverse Color#73E7E5 [Sky Blue (Crayola)]
Closest Pantone®7427 C
Closest RAL3003 [Ruby red]
Complementary Color#188C8A [Metallic Seaweed]
Dark Auburn Converted to Grayscale Codes
Simple Average#3F3F3F
Weighted Average (Most Common)#3B3B3B
Weighted Average (Luma)#313131
Weighted Average (Gamma Adjusted)#757575

Dark Auburn Color Palettes

Complementary color palette of 8C181A. Complementary color is 188C8A

Complementary Palette

The complement of Dark Auburn is Metallic Seaweed with the hex code #188C8A. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #8C181A color is offered by #188C8A. The complementary color palette is easiest to use and work with. Studies have shown that contrasting color palette is the best way to grab a viewer's attention.

Analogous color palette with (8C181A, 8C5018 and 8C1854)

Analogous Palette

The analogous colors of Dark Auburn (#8C181A) are Saddle Brown (#8C5018) and French Plum (#8C1854). In the RGB color wheel, these two analogous colors occur to the right and left of Dark Auburn with a 30° separation on either side. An analogous color palette is extremely soothing to the eyes and works wonders if your main color is soft or pastel.

Split Complementary color palette with (8C181A, 188C50 and 18548C)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Dark Auburn (#8C181A) are #188C50 (Salem) and #18548C (Yale Blue). A split-complementary color palette consists of the main color along with those on either side (30°) of the complementary color. Based on our research, usage of split-complementary palettes is on the rise online, especially in graphics and web sites designs. It may be because it is not as contrasting as the complementary color palette and, hence, results in a combination which is pleasant to the eyes.

Triadic color palette with (8C181A, 1A8C18 and 181A8C)

Triadic Palette

Dark Auburn triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #1A8C18 (Verse Green) and #181A8C (Indigo Dye) along with #8C181A create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

Tetradic color palette with (8C181A, 1A8C18, 188C8A and 8A188C)

Tetradic Palette

The tetradic palette of Dark Auburn has four colors - #1A8C18 (Verse Green), #188C8A (Metallic Seaweed) and #8A188C (Dark Magenta) in addition to the base color (#8C181A). A tetradic color palette is complex and, in most cases, should not be used off-the-shelf. We suggest tweaking the colors slightly to achieve desired results.

Square color palette with (8C181A, 548C18, 188C8A and 50188C)

Square Palette

Dark Auburn square color palette has #548C18 (Avocado), #188C8A (Metallic Seaweed) and #50188C (American Violet). Quite like triadic, the hues in a square palette are at the maximum distance from each other, which is 90°.
Note: For several colors purposes, a square palette may look much better than the tetrad color palette.

Rainbow color

Dark Auburn Color Rainbow Palette

Our Dark Auburn rainbow color palette is based on the RGB model and consists of 7 colors, just like the traditional rainbow. You might not see a lot of variation in color, especially if the chosen color is dark or extremely light. However, this can lead interesting rainbow palettes that are faded, soft, pastel or dull.

Tints, Tones & Shades of Dark Auburn Color


  • Transparent A34648#A34648
  • Transparent AF5D5F#AF5D5F
  • Transparent BA7476#BA7476
  • Transparent C68C8D#C68C8D
  • Transparent D1A3A3#D1A3A3
  • Transparent DDBABA#DDBABA
  • Transparent E8D1D1#E8D1D1
  • Transparent F4E8E8#F4E8E8


  • Transparent 8A2D2E#8A2D2E
  • Transparent 883739#883739
  • Transparent 874243#874243
  • Transparent 864C4D#864C4D
  • Transparent 855657#855657
  • Transparent 846161#846161
  • Transparent 826B6C#826B6C
  • Transparent 817676#817676


  • Transparent 701315#701315
  • Transparent 621112#621112
  • Transparent 540E10#540E10
  • Transparent 460C0D#460C0D
  • Transparent 380A0A#380A0A
  • Transparent 2A0708#2A0708
  • Transparent 1C0505#1C0505
  • Transparent 0E0203#0E0203

Dark Auburn Color Patterns

  • Transparent

    Dark Auburn Gingham Checks

  • Transparent

    Dark Auburn Vertical Stripes Pattern

  • Transparent

    Dark Auburn Polka Dots Pattern

  • Transparent

    Dark Auburn Honeycomb Pattern

  • Transparent

    Dark Auburn Leaves Pattern

  • Transparent

    Dark Auburn Houndstooth Pattern

  • Transparent

    Dark Auburn Trellis Pattern

  • Transparent

    Dark Auburn Plaid Pattern