#1E366C Hex Code

Color Name: Indigo (Rainbow)

What is hex #1E366C Color?

Indigo (Rainbow) (Hex code: 1E366C) Thumbnail

The color name of hex code #1E366C is Indigo (Rainbow). The RGB values are (30, 54, 108) which means it is composed of 16% red, 28% green and 56% blue. The CMYK color codes, used in printers, are C:72 M:50 Y:0 K:58. In the HSV/HSB scale, #1E366C has a hue of 222°, 72% saturation and a brightness value of 42%.
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 #1E366C Color Codes

Color NameIndigo (Rainbow)
RGB Values(30, 54, 108)
CMYK Values(72%, 50%, 0%, 58%)
HSV/HSB Values(222°, 72%, 42%)
Closest Web Safe#333366
Inverse Color#E1C993 [Gold (Crayola)]
Closest Pantone®534 C
Closest RAL5002 [Ultramarine blue]
Complementary Color#6C541E [Field Drab]
#1E366C Converted to Grayscale Codes
Simple Average#404040
Weighted Average (Most Common)#353535
Weighted Average (Luma)#353535
Weighted Average (Gamma Adjusted)#797979

Hex #1E366C Color Palettes

Complementary color palette of 1E366C. Complementary color is 6C541E

Complementary Palette

The complement of #1E366C is #6C541E 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 #1E366C color is offered by #6C541E. 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 (1E366C, 2D1E6C and 1E5D6C)

Analogous Palette

The analogous colors of #1E366C are #2D1E6C and #1E5D6C, called Persian Indigo and Blue Sapphire, respectively. In the RGB color wheel, they are located to the right and left of #1E366C 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 (1E366C, 6C2D1E and 5D6C1E)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of #1E366C are #6C2D1E (Liver (Organ)) and #5D6C1E (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 (1E366C, 6C1E36 and 366C1E)

Triadic Palette

#1E366C triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #6C1E36 (Brown Chocolate) and #366C1E (Mughal Green) along with #1E366C, 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 (1E366C, 6C1E36, 6C541E and 1E6C54)

Tetradic Palette

The tetradic palette of #1E366C has #6C1E36 (Brown Chocolate), #6C541E (Field Drab) and #1E6C54 (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 (1E366C, 6C1E5D, 6C541E and 1E6C2D)

Square Palette

The square color palette of #1E366C contains #6C1E5D (Palatinate Purple), #6C541E (Field Drab) and #1E6C2D (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 #1E366C Rainbow Colors Palette

Our #1E366C 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 4b5e894B5E89
  • Transperent 627298627298
  • Transperent 7886a77886A7
  • Transperent 8f9bb68F9BB6
  • Transperent a5afc4A5AFC4
  • Transperent bcc3d3BCC3D3
  • Transperent d2d7e2D2D7E2
  • Transperent e9ebf0E9EBF0


  • Transperent 324570324570
  • Transperent 3b4c723B4C72
  • Transperent 455474455474
  • Transperent 4f5b764F5B76
  • Transperent 596278596278
  • Transperent 636a7a636A7A
  • Transperent 6c717c6C717C
  • Transperent 76797e76797E


  • Transperent 182b56182B56
  • Transperent 15264c15264C
  • Transperent 122041122041
  • Transperent 0f1b360F1B36
  • Transperent 0c162b0C162B
  • Transperent 091020091020
  • Transperent 060b16060B16
  • Transperent 03050b03050B

#1E366C 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.