Information about #1B1731 color

#1B1731 color image

Basic facts about this digital color

The digital color #1B1731 is classified in the Register under the Blue Color Family, with Mild Saturation and Dark brightness. Its exact recipe is rgb(27, 23, 49) — 10.6% red, 9% green, 19.2% blue — and for print it converts to CMYK 9 / 10 / 0 / 81. Curious how these numbers work? Read our RGB color codes guide.

A mildly saturated blue, #1B1731 carries a shadowy depth. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is a hair away from Elderberry (#17182B). Nearby in the Register you will also find I am Core Group International (#151529) and Nite Life (#1D2134).

In RGB terms — rgb(27, 23, 49) — the blue channel does the heavy lifting here. If you plan to put text on a #1B1731 background, choose white — the contrast ratio is 17.3:1 (passing WCAG AAA), while black manages only 1.2:1. On paper it relies strongly on black ink (K:81), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #1B1731 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#1B1731 color variations

View this color variations of tints, shades, tones and hues.

#1B1731 color tints

Tints look brighter, pastel, and less intense.
#1B1731

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#3B326C

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#5C4EA7

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#9187C6

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#C8C3E2

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White

#FFFFFF

#1B1731 color shades

Shades look darker, richer, and more solid.
#1B1731

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#151226

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#100D1D

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#0A0913

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#050409

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Black

#000000

#1B1731 color tones

Tones looks more sophisticated and complex than base colors.
#1B1731

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#2B2645

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#3D3858

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#514D67

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#676574

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Grey

#808080

#1B1731 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#301627

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#2F1630

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#241630

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#1B1731

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#161D30

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#162730

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#16302F

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#1B1731 color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes
#1B1731
#1B1731

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#2D3117
#2D3117

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Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme
#1B1731
#1B1731

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#203117
#203117

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#312817
#312817

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Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme
#281731
#281731

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#1B1731
#1B1731

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#172031
#172031

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Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme
#1B1731
#1B1731

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#311B17
#311B17

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#17311B
#17311B

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Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme
#1B1731
#1B1731

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#31172D
#31172D

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#2D3117
#2D3117

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#17311B
#17311B

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Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme
#1B1731
#1B1731

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#311720
#311720

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#2D3117
#2D3117

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#173128
#173128

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Nearest named colors to #1B1731

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Elderberry color link
Elderberry

#17182B

I am Core Group International color link
I am Core Group International

#151529

Nite Life color link
Nite Life

#1D2134

Coarse Wool color link
Coarse Wool

#181B26

Daytona color link
Daytona

#1E222C

Dark color link
Dark

#1B2431

Magnum color link
Magnum

#112331

Montana color link
Montana

#291E30

Black Pearl color link
Black Pearl

#1E272C

Dark Gunmetal color link
Dark Gunmetal

#1F262A

Black Russian color link
Black Russian

#24252B

Indian Ink color link
Indian Ink

#232732

#1B1731 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

#1B1731 color image #1B1731 color ORCN HD wallpaper 3840x2160 (Desktop)
#1B1731 color image #1B1731 color ORCN HD wallpaper 1170x2532 (Mobile)
#1B1731 color image #1B1731 color solid HD wallpaper 3840x2160 (Desktop)
#1B1731 color image #1B1731 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#1B1731
  • RGB27, 23, 49
  • CMYK9, 10, 0, 81
  • CSSrgb(27, 23, 49)
  • HSL249°, 36%, 14%
  • HSL Precise249.231°, 36.111%, 14.118%
  • HSV249°, 53%, 19%
  • HSB249°, 53%, 19%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.090
  • Normalized B (0.0–1.0)0.192
  • GLSLvec3(0.106, 0.090, 0.192)
  • GLSL with alphavec4(0.106, 0.090, 0.192, 1.000)
  • HLSL / Metalfloat3(0.106, 0.090, 0.192)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB9%
  • Percentage of Blue in RGB19.2%
  • Color Family (Hue)Blue
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID1B1731
  • DECIMAL ID1775409
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01

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