Information about #551B21 color

#551B21 color image

Basic facts about this digital color

#551B21 falls into the Red Color Family — Moderate Saturation, Dark brightness. Its exact recipe is rgb(85, 27, 33) — 33.3% red, 10.6% green, 12.9% blue — and for print it converts to CMYK 0 / 23 / 20 / 67. Curious how these numbers work? Read our RGB color codes guide.

The color #551B21 reads as a confidently colored red and leans clearly toward the dark side. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Speed Demon (#551B24). Its next-closest registered neighbors are Red Baron (#511D22) and JayHawk Red (#58181F).

Technically, the mix leans on its red channel (rgb(85, 27, 33)), which gives #551B21 its character. Accessibility-wise, white text works best on #551B21: 13.4:1 contrast (passing WCAG AAA) versus 1.6:1 for black. For print, note the heavy black component (K:67) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #551B21 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#551B21 color variations

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

#551B21 color tints

Tints look brighter, pastel, and less intense.
#551B21

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#912E37

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#C54956

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#D8868E

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#EBC2C6

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White

#FFFFFF

#551B21 color shades

Shades look darker, richer, and more solid.
#551B21

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#44151A

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#331013

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#220A0D

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#110506

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Black

#000000

#551B21 color tones

Tones looks more sophisticated and complex than base colors.
#551B21

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#63292E

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#6F3A3F

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#774E52

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#7C6567

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Grey

#808080

#551B21 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#4F551A

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#55431A

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#552C1A

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#551B21

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#551A38

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#551A4F

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#431A55

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#551B21 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
#551B21
#551B21

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#1B554F
#1B554F

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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
#551B21
#551B21

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#1B3E55
#1B3E55

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#1B5532
#1B5532

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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
#55321B
#55321B

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#551B21
#551B21

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#551B3E
#551B3E

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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
#551B21
#551B21

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#21551B
#21551B

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#1B2155
#1B2155

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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
#551B21
#551B21

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#554F1B
#554F1B

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#1B554F
#1B554F

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#1B2155
#1B2155

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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
#551B21
#551B21

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#3E551B
#3E551B

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#1B554F
#1B554F

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#321B55
#321B55

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Nearest named colors to #551B21

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

Speed Demon color link
Speed Demon

#551B24

Red Baron color link
Red Baron

#511D22

JayHawk Red color link
JayHawk Red

#58181F

Burnt Crimson color link
Burnt Crimson

#582124

Rendezvous color link
Rendezvous

#561426

Mayhem color link
Mayhem

#4D1B25

Rata color link
Rata

#5D1F1E

Red Planet color link
Red Planet

#5A2019

Renegade color link
Renegade

#592228

Lonestar color link
Lonestar

#522426

Scoria color link
Scoria

#532620

Rialto color link
Rialto

#4C2322

#551B21 color backgrounds & wallpapers

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

#551B21 color image #551B21 color ORCN HD wallpaper 3840x2160 (Desktop)
#551B21 color image #551B21 color ORCN HD wallpaper 1170x2532 (Mobile)
#551B21 color image #551B21 color solid HD wallpaper 3840x2160 (Desktop)
#551B21 color image #551B21 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#551B21
  • RGB85, 27, 33
  • CMYK0, 23, 20, 67
  • CSSrgb(85, 27, 33)
  • HSL354°, 52%, 22%
  • HSL Precise353.793°, 51.786%, 21.961%
  • HSV354°, 68%, 33%
  • HSB354°, 68%, 33%
  • Normalized R (0.0–1.0)0.333
  • Normalized G (0.0–1.0)0.106
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.333, 0.106, 0.129)
  • GLSL with alphavec4(0.333, 0.106, 0.129, 1.000)
  • HLSL / Metalfloat3(0.333, 0.106, 0.129)
  • Percentage of Red in RGB33.3%
  • Percentage of Green in RGB10.6%
  • Percentage of Blue in RGB12.9%
  • Color Family (Hue)Red
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID551B21
  • DECIMAL ID5577505
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01

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