Dark Indigo

HEX #2A0D5D / RGB (42, 13, 93)

Blue pigment powder

What is Dark Indigo Color?

Dark Indigo (Hex code: 2A0D5D) Thumbnail

Dark Indigo has the hex code #2A0D5D. The equivalent RGB values are (42, 13, 93), which means it is composed of 28% red, 9% green and 63% blue. The CMYK color codes, used in printers, are C:55 M:86 Y:0 K:64. In the HSV/HSB scale, Dark Indigo has a hue of 262°, 86% saturation and a brightness value of 36%.
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 indigo is a deep violet blue color that can be applied to web pages with HTML and/or CSS via its hex, RGB, CMYK or HSB values.

Dark Indigo Color Codes

Hex Code#2A0D5D
RGB Values(42, 13, 93)
CMYK Values(55%, 86%, 0%, 64%)
HSV/HSB Values(262°, 86%, 36%)
Closest Web Safe#330066
Inverse Color#D5F2A2 [Menthol]
Closest Pantone®2755 C
Closest RAL5022 [Night blue]
Complementary Color#405D0D [Army Green]
Dark Indigo Converted to Grayscale Codes
Simple Average#313131
Weighted Average (Most Common)#1F1F1F
Weighted Average (Luma)#191919
Weighted Average (Gamma Adjusted)#555555

Dark Indigo Color Palettes

Complementary color palette of 2A0D5D. Complementary color is 405D0D

Complementary Palette

The complement of Dark Indigo is Army Green with the hex code #405D0D. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #2A0D5D color is offered by #405D0D. 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 (2A0D5D, 520D5D and 0D185D)

Analogous Palette

The analogous colors of Dark Indigo (#2A0D5D) are American Purple (#520D5D) and Cool Black (#0D185D). In the RGB color wheel, these two analogous colors occur to the right and left of Dark Indigo 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 (2A0D5D, 5D520D and 185D0D)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Dark Indigo (#2A0D5D) are #5D520D (Violin Brown) and #185D0D (Lincoln Green). 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 (2A0D5D, 5D2A0D and 0D5D2A)

Triadic Palette

Dark Indigo triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #5D2A0D (Seal Brown) and #0D5D2A (Cal Poly Pomona Green) along with #2A0D5D 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 (2A0D5D, 5D2A0D, 405D0D and 0D405D)

Tetradic Palette

The tetradic palette of Dark Indigo has four colors - #5D2A0D (Seal Brown), #405D0D (Army Green) and #0D405D (Midnight Green (Eagle Green)) in addition to the base color (#2A0D5D). 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 (2A0D5D, 5D0D18, 405D0D and 0D5D52)

Square Palette

Dark Indigo square color palette has #5D0D18 (Chocolate Cosmos), #405D0D (Army Green) and #0D5D52 (Bangladesh Green). 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 Indigo Color Rainbow Palette

Our Dark Indigo 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 Indigo Color


  • Transparent 553D7D#553D7D
  • Transparent 6A568E#6A568E
  • Transparent 7F6E9E#7F6E9E
  • Transparent 9586AE#9586AE
  • Transparent AA9EBE#AA9EBE
  • Transparent BFB6CE#BFB6CE
  • Transparent D4CFDF#D4CFDF
  • Transparent EAE7EF#EAE7EF


  • Transparent 3B2464#3B2464
  • Transparent 443068#443068
  • Transparent 4C3B6B#4C3B6B
  • Transparent 55476F#55476F
  • Transparent 5E5272#5E5272
  • Transparent 665E76#665E76
  • Transparent 6F6979#6F6979
  • Transparent 77757D#77757D


  • Transparent 220A4A#220A4A
  • Transparent 1D0941#1D0941
  • Transparent 190838#190838
  • Transparent 15072F#15072F
  • Transparent 110525#110525
  • Transparent 0D041C#0D041C
  • Transparent 080313#080313
  • Transparent 040109#040109

Dark Indigo Color Patterns

  • Transparent

    Dark Indigo Gingham Checks

  • Transparent

    Dark Indigo Vertical Stripes Pattern

  • Transparent

    Dark Indigo Polka Dots Pattern

  • Transparent

    Dark Indigo Honeycomb Pattern

  • Transparent

    Dark Indigo Leaves Pattern

  • Transparent

    Dark Indigo Houndstooth Pattern

  • Transparent

    Dark Indigo Trellis Pattern

  • Transparent

    Dark Indigo Plaid Pattern

Photo credits: klipartz.com