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#1B1C21 Hex Code

Color Name: Eerie Black

What is hex #1B1C21 Color?

Eerie Black (Hex code: 1B1C21) Thumbnail

The color name of hex code #1B1C21 is Eerie Black. The RGB values are (27, 28, 33) which means it is composed of 31% red, 32% green and 38% blue. The CMYK color codes, used in printers, are C:18 M:15 Y:0 K:87. In the HSV/HSB scale, #1B1C21 has a hue of 230°, 18% saturation and a brightness value of 13%.
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.

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Hex #1B1C21 Color Codes

Color NameEerie Black
RGB Values(27, 28, 33)
CMYK Values(18%, 15%, 0%, 87%)
HSV/HSB Values(230°, 18%, 13%)
Closest Web Safe#333333
Inverse Color#E4E3DE [Chinese White]
Closest Pantone®419 C
Closest RAL5004 [Black blue]
Complementary Color#21201B [Eerie Black]
#1B1C21 Converted to Grayscale Codes
Simple Average#1D1D1D
Weighted Average (Most Common)#1C1C1C
Weighted Average (Luma)#1C1C1C
Weighted Average (Gamma Adjusted)#5A5A5A

Hex #1B1C21 Color Palettes

1B1C21 is almost gray. We don't think there is any need to display the color palettes.
Complementary color palette of 1B1C21. Complementary color is 21201B

Complementary Palette

The complement of #1B1C21 is #21201B which is called Eerie Black. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #1B1C21 color is offered by #21201B. 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.

1B1C21 21201B
Analogous color palette with (1B1C21, 1D1B21 and 1B1F21)

Analogous Palette

The analogous colors of #1B1C21 are #1D1B21 and #1B1F21, called Eerie Black and Dark Jungle Green, respectively. In the RGB color wheel, they are located to the right and left of #1B1C21 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.

1B1C21 1D1B21 1B1F21
Split Complementary color palette with (1B1C21, 211D1B and 1F211B)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of #1B1C21 are #211D1B (Eerie Black) and #1F211B (Eerie Black). 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.

1B1C21 211D1B 1F211B
Triadic color palette with (1B1C21, 211B1C and 1C211B)

Triadic Palette

#1B1C21 triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #211B1C (Eerie Black) and #1C211B (Eerie Black) along with #1B1C21, 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.

1B1C21 211B1C 1C211B
Tetradic color palette with (1B1C21, 211B1C, 21201B and 1B2120)

Tetradic Palette

The tetradic palette of #1B1C21 has #211B1C (Eerie Black), #21201B (Eerie Black) and #1B2120 (Dark Jungle 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.

1B1C21 211B1C 21201B 1B2120
Square color palette with (1B1C21, 211B1F, 21201B and 1B211D)

Square Palette

The square color palette of #1B1C21 contains #211B1F (Eerie Black), #21201B (Eerie Black) and #1B211D (Dark Jungle 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.

1B1C21 211B1F 21201B 1B211D
Rainbow color

Hex #1B1C21 Rainbow Colors Palette

Our #1B1C21 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.

1B1C21 1F1B21 211B1E 211D1B 1F211B 1B211C 1B2121

Tints, Tones & Shades of 1B1C21 Color


  • Transparent 49494D49494D
  • Transparent 5F60645F6064
  • Transparent 76777A76777A
  • Transparent 8D8E908D8E90
  • Transparent A4A4A6A4A4A6
  • Transparent BBBBBCBBBBBC
  • Transparent D1D2D3D1D2D3
  • Transparent E8E8E9E8E8E9


  • Transparent 2F30342F3034
  • Transparent 393A3E393A3E
  • Transparent 434447434447
  • Transparent 4E4E514E4E51
  • Transparent 58585A58585A
  • Transparent 626264626264
  • Transparent 6C6C6D6C6C6D
  • Transparent 767677767677


  • Transparent 16161A16161A
  • Transparent 131417131417
  • Transparent 101114101114
  • Transparent 0E0E110E0E11
  • Transparent 0B0B0D0B0B0D
  • Transparent 08080A08080A
  • Transparent 050607050607
  • Transparent 030303030303

#1B1C21 Color Patterns

  • transperent

    #1B1C21 Gingham Checks

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    #1B1C21 Vertical Stripes Pattern

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    #1B1C21 Polka Dots Pattern

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    #1B1C21 Honeycomb Pattern

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    #1B1C21 Leaves Pattern

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    #1B1C21 Houndstooth Pattern

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    #1B1C21 Trellis Pattern

  • transperent

    #1B1C21 Plaid Pattern

#1B1C21 Color Interior Ideas

Pretty Photo frame on Eerie Black color drawing room interior textured wall

#1B1C21 Color Drawing Room Textured Wall Paint Idea

Pretty Photo frame on Eerie Black color Living room wal color

#1B1C21 Color Living Room Wall Paint Idea

Pretty Photo frame on Eerie Black color Bedroom interior wall color

#1B1C21 Color Bedroom Wall Paint Idea

Pretty Photo frame on Eerie Black color kitchen interior wall color

#1B1C21 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.

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