#1D3F6E Hex Code

Color Name: Indigo (Rainbow)

What is hex #1D3F6E Color?

Indigo (Rainbow) (Hex code: 1D3F6E) Thumbnail

The color name of hex code #1D3F6E is Indigo (Rainbow). The RGB values are (29, 63, 110) which means it is composed of 14% red, 31% green and 54% blue. The CMYK color codes, used in printers, are C:74 M:43 Y:0 K:57. In the HSV/HSB scale, #1D3F6E has a hue of 215°, 74% saturation and a brightness value of 43%.
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.

Hex #1D3F6E Color Codes

Color NameIndigo (Rainbow)
RGB Values(29, 63, 110)
CMYK Values(74%, 43%, 0%, 57%)
HSV/HSB Values(215°, 74%, 43%)
Closest Web Safe#333366
Inverse Color#E2C091 [Gold (Crayola)]
Closest Pantone®534 C
Closest RAL5002 [Ultramarine blue]
Complementary Color#6E4C1D [Field Drab]
#1D3F6E Converted to Grayscale Codes
Simple Average#434343
Weighted Average (Most Common)#3A3A3A
Weighted Average (Luma)#3B3B3B
Weighted Average (Gamma Adjusted)#808080

Hex #1D3F6E Color Palettes

Complementary color palette of 1D3F6E. Complementary color is 6E4C1D

Complementary Palette

The complement of #1D3F6E is #6E4C1D which is called Field Drab. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #1D3F6E color is offered by #6E4C1D. 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 (1D3F6E, 241D6E and 1D686E)

Analogous Palette

The analogous colors of #1D3F6E are #241D6E and #1D686E, called St. Patrick's Blue and Blue Sapphire, respectively. In the RGB color wheel, they are located to the right and left of #1D3F6E with a 30° separation. 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 (1D3F6E, 6E241D and 686E1D)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of #1D3F6E are #6E241D (Persian Plum) and #686E1D (Antique Bronze). 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 (1D3F6E, 6E1D3F and 3F6E1D)

Triadic Palette

#1D3F6E triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #6E1D3F (Pansy Purple) and #3F6E1D (Dark Moss Green) along with #1D3F6E, our main color, 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 (1D3F6E, 6E1D3F, 6E4C1D and 1D6E4C)

Tetradic Palette

The tetradic palette of #1D3F6E has #6E1D3F (Pansy Purple), #6E4C1D (Field Drab) and #1D6E4C (Dark Spring Green). A tetradic color palette is complex and, in most cases, should not be used off-the-shelf. We suggest tweaking the colors a little bit to achieve desired results.

Square color palette with (1D3F6E, 6E1D68, 6E4C1D and 1D6E24)

Square Palette

The square color palette of #1D3F6E contains #6E1D68 (Midnight), #6E4C1D (Field Drab) and #1D6E24 (Japanese Laurel). 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

Hex #1D3F6E Rainbow Colors Palette

Our #1D3F6E rainbow color palette is based on the RGB color 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.

Shades of Indigo (Rainbow) Color


  • Transperent 4a658b4A658B
  • Transperent 61799a61799A
  • Transperent 778ca8778CA8
  • Transperent 8e9fb78E9FB7
  • Transperent a5b2c5A5B2C5
  • Transperent bbc5d4BBC5D4
  • Transperent d2d9e2D2D9E2
  • Transperent e8ecf1E8ECF1


  • Transperent 314c72314C72
  • Transperent 3b53733B5373
  • Transperent 455975455975
  • Transperent 4f60774F6077
  • Transperent 586679586679
  • Transperent 626d7b626D7B
  • Transperent 6c737c6C737C
  • Transperent 767a7e767A7E


  • Transperent 173258173258
  • Transperent 142c4d142C4D
  • Transperent 112642112642
  • Transperent 0f20370F2037
  • Transperent 0c192c0C192C
  • Transperent 091321091321
  • Transperent 060d16060D16
  • Transperent 03060b03060B

#1D3F6E Color Patterns

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    Indigo (Rainbow) Gingham Checks

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    Indigo (Rainbow) Vertical Stripes Pattern

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    Indigo (Rainbow) Polka Dots Pattern

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    Indigo (Rainbow) Honeycomb Pattern

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    Indigo (Rainbow) Leaves Pattern

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    Indigo (Rainbow) Houndstooth Pattern

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    Indigo (Rainbow) Trellis Pattern

  • transperent

    Indigo (Rainbow) Plaid Pattern

Color names have been derived from known and trusted lists OR have been formulated by us. They are close approximations and may not translate to exact names. Also, color is perceived and named differently in cultures and communities around the world. As per studies, only a handful of colors are interpretted and named in the same way across the globe.