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#1B454C Hex Code

Color Name: Japanese Indigo

What is hex #1B454C Color?

Japanese Indigo (Hex code: 1B454C) Thumbnail

The color name of hex code #1B454C is Japanese Indigo. The RGB values are (27, 69, 76) which means it is composed of 16% red, 40% green and 44% blue. The CMYK color codes, used in printers, are C:65 M:9 Y:0 K:70. In the HSV/HSB scale, #1B454C has a hue of 189°, 64% saturation and a brightness value of 30%.
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.

Download Japanese Indigo Solid Color Background

Hex #1B454C Color Codes

Color NameJapanese Indigo
RGB Values(27, 69, 76)
CMYK Values(65%, 9%, 0%, 70%)
HSV/HSB Values(189°, 64%, 30%)
Closest Web Safe#333333
Inverse Color#E4BAB3 [Pale Chestnut]
Closest Pantone®7477 C
Closest RAL5003 [Sapphire blue]
Complementary Color#4C221B [Caput Mortuum]
#1B454C Converted to Grayscale Codes
Simple Average#393939
Weighted Average (Most Common)#393939
Weighted Average (Luma)#3D3D3D
Weighted Average (Gamma Adjusted)#818181

Hex #1B454C Color Palettes

Complementary color palette of 1B454C. Complementary color is 4C221B

Complementary Palette

The complement of #1B454C is #4C221B which is called Caput Mortuum. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #1B454C color is offered by #4C221B. 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.

1B454C 4C221B
Analogous color palette with (1B454C, 1B2D4C and 1B4C3B)

Analogous Palette

The analogous colors of #1B454C are #1B2D4C and #1B4C3B, called Space Cadet and Brunswick Green, respectively. In the RGB color wheel, they are located to the right and left of #1B454C 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.

1B454C 1B2D4C 1B4C3B
Split Complementary color palette with (1B454C, 4C1B2D and 4C3B1B)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of #1B454C are #4C1B2D (Brown Coffee) and #4C3B1B (Café Noir). 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.

1B454C 4C1B2D 4C3B1B
Triadic color palette with (1B454C, 4C1B45 and 454C1B)

Triadic Palette

#1B454C triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #4C1B45 (American Purple) and #454C1B (Army Green) along with #1B454C, 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.

1B454C 4C1B45 454C1B
Tetradic color palette with (1B454C, 4C1B45, 4C221B and 1B4C22)

Tetradic Palette

The tetradic palette of #1B454C has #4C1B45 (American Purple), #4C221B (Caput Mortuum) and #1B4C22 (Cal Poly Pomona 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.

1B454C 4C1B45 4C221B 1B4C22
Square color palette with (1B454C, 3B1B4C, 4C221B and 2D4C1B)

Square Palette

The square color palette of #1B454C contains #3B1B4C (Russian Violet), #4C221B (Caput Mortuum) and #2D4C1B (Cal Poly Pomona 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.

1B454C 3B1B4C 4C221B 2D4C1B
Rainbow color

Hex #1B454C Rainbow Colors Palette

Our #1B454C 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.

1B454C 1B1B4C 451B4C 4C1B29 4C371B 374C1B 1B4C29

Tints, Tones & Shades of 1B454C Color


  • Transparent 496A70496A70
  • Transparent 5F7D825F7D82
  • Transparent 768F94768F94
  • Transparent 8DA2A68DA2A6
  • Transparent A4B5B7A4B5B7
  • Transparent BBC7C9BBC7C9
  • Transparent D1DADBD1DADB
  • Transparent E8ECEDE8ECED


  • Transparent 2F51562F5156
  • Transparent 39575C39575C
  • Transparent 435D61435D61
  • Transparent 4E63664E6366
  • Transparent 58686B58686B
  • Transparent 626E70626E70
  • Transparent 6C74766C7476
  • Transparent 767A7B767A7B


  • Transparent 16373D16373D
  • Transparent 133035133035
  • Transparent 10292E10292E
  • Transparent 0E23260E2326
  • Transparent 0B1C1E0B1C1E
  • Transparent 081517081517
  • Transparent 050E0F050E0F
  • Transparent 030708030708

#1B454C Color Patterns

  • transperent

    #1B454C Gingham Checks

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    #1B454C Vertical Stripes Pattern

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    #1B454C Polka Dots Pattern

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    #1B454C Honeycomb Pattern

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    #1B454C Leaves Pattern

  • transperent

    #1B454C Houndstooth Pattern

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    #1B454C Trellis Pattern

  • transperent

    #1B454C Plaid Pattern

#1B454C Color Interior Ideas

Pretty Photo frame on Japanese Indigo color drawing room interior textured wall

#1B454C Color Drawing Room Textured Wall Paint Idea

Pretty Photo frame on Japanese Indigo color Living room wal color

#1B454C Color Living Room Wall Paint Idea

Pretty Photo frame on Japanese Indigo color Bedroom interior wall color

#1B454C Color Bedroom Wall Paint Idea

Pretty Photo frame on Japanese Indigo color kitchen interior wall color

#1B454C Color Kitchen Wall Paint Idea

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.