Information about #51151B color

#51151B color image

Basic facts about this digital color

In the Register's classification, #51151B belongs to the Red Color Family, featuring Moderate Saturation and Dark brightness. The mix behind it: rgb(81, 21, 27) — 31.8% red, 8.2% green, 10.6% blue; the print equivalent is CMYK 0 / 24 / 21 / 68. Curious how these numbers work? Read our RGB color codes guide.

#51151B is a confidently colored red that leans clearly toward the dark side. It is a natural fit for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Chocolate Cosmos (#58111A). Its next-closest registered neighbors are JayHawk Red (#58181F) and Maroon Oak (#520C17).

Technically, the mix leans on its red channel (rgb(81, 21, 27)), which gives #51151B its character. Accessibility-wise, white text works best on #51151B: 14.3:1 contrast (passing WCAG AAA) versus 1.5:1 for black. For print, note the heavy black component (K:68) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #51151B is still unnamed — it can be claimed and named in The Official Register of Color Names.

#51151B color variations

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

#51151B color tints

Tints look brighter, pastel, and less intense.
#51151B

Color has no name
#912530

Color has no name
#CC3C4A

Color has no name
#DD7D86

Color has no name
#EEBEC2

Color has no name
White

#FFFFFF

#51151B color shades

Shades look darker, richer, and more solid.
#51151B

Color has no name
#401015

Color has no name
#300C10

Color has no name
#20080A

Color has no name
#100405

Color has no name
Black

#000000

#51151B color tones

Tones looks more sophisticated and complex than base colors.
#51151B

Color has no name
#612329

Color has no name
#6E343A

Color has no name
#774A4E

Color has no name
#7D6265

Color has no name
Grey

#808080

#51151B color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#4B5114

Color has no name
#513F14

Color has no name
#512614

Color has no name
#51151B

Color has no name
#511433

Color has no name
#51144B

Color has no name
#3F1451

Color has no name

#51151B 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
#51151B
#51151B

Color has no name

#15514B
#15514B

Color has no name

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
#51151B
#51151B

Color has no name

#153951
#153951

Color has no name

#15512D
#15512D

Color has no name

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
#512D15
#512D15

Color has no name

#51151B
#51151B

Color has no name

#511539
#511539

Color has no name

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
#51151B
#51151B

Color has no name

#1B5115
#1B5115

Color has no name

#151B51
#151B51

Color has no name

Tetradic

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

Tetradic color scheme
#51151B
#51151B

Color has no name

#514B15
#514B15

Color has no name

#15514B
#15514B

Color has no name

#151B51
#151B51

Color has no name

Square

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

Square color scheme
#51151B
#51151B

Color has no name

#395115
#395115

Color has no name

#15514B
#15514B

Color has no name

#2D1551
#2D1551

Color has no name

Nearest named colors to #51151B

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

Chocolate Cosmos color link
Chocolate Cosmos

#58111A

JayHawk Red color link
JayHawk Red

#58181F

Maroon Oak color link
Maroon Oak

#520C17

Red Baron color link
Red Baron

#511D22

Heath color link
Heath

#541012

Cocoa Bean color link
Cocoa Bean

#481C1C

Speed Demon color link
Speed Demon

#551B24

Rendezvous color link
Rendezvous

#561426

Mayhem color link
Mayhem

#4D1B25

Philippine Brown color link
Philippine Brown

#5D1916

Red Planet color link
Red Planet

#5A2019

Rata color link
Rata

#5D1F1E

#51151B color backgrounds & wallpapers

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

#51151B color image #51151B color ORCN HD wallpaper 3840x2160 (Desktop)
#51151B color image #51151B color ORCN HD wallpaper 1170x2532 (Mobile)
#51151B color image #51151B color solid HD wallpaper 3840x2160 (Desktop)
#51151B color image #51151B color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#51151B
  • RGB81, 21, 27
  • CMYK0, 24, 21, 68
  • CSSrgb(81, 21, 27)
  • HSL354°, 59%, 20%
  • HSL Precise354°, 58.824%, 20%
  • HSV354°, 74%, 32%
  • HSB354°, 74%, 32%
  • Normalized R (0.0–1.0)0.318
  • Normalized G (0.0–1.0)0.082
  • Normalized B (0.0–1.0)0.106
  • GLSLvec3(0.318, 0.082, 0.106)
  • GLSL with alphavec4(0.318, 0.082, 0.106, 1.000)
  • HLSL / Metalfloat3(0.318, 0.082, 0.106)
  • Percentage of Red in RGB31.8%
  • Percentage of Green in RGB8.2%
  • Percentage of Blue in RGB10.6%
  • Color FamilyRed
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID51151B
  • DECIMAL ID5313819
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01

Copyright © 2021-2026 The Official Register of Color Names. All Rights Reserved.