Information about #21231F color

#21231F color image

Basic facts about this digital color

In the Register's classification, #21231F belongs to the Chartreuse Color Family, featuring Desaturated and Dark brightness. In numbers: rgb(33, 35, 31) (12.9% red, 13.7% green, 12.2% blue), or CMYK 1 / 0 / 2 / 86 for print. New to color codes? See our guide to RGB color codes.

A softly muted balanced grey tone, #21231F leans clearly toward the dark side. Designers typically reach for tones like this for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is practically indistinguishable from Black Charcoal (#212121). Its next-closest registered neighbors are Black Chestnut Oak (#252321) and Blackjack (#1D2020).

The recipe behind #21231F is rgb(33, 35, 31), with green as the dominant ingredient. If you plan to put text on a #21231F background, choose white — the contrast ratio is 15.9:1 (passing WCAG AAA), while black manages only 1.3:1. For print, note the heavy black component (K:86) — ink coverage matters with tones this deep. No one has named #21231F so far. Register a name for it and it becomes a permanent record.

#21231F color variations

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

#21231F color tints

Tints look brighter, pastel, and less intense.
#21231F

Color has no name
#4D5248

Color has no name
#798172

Color has no name
#A6ABA0

Color has no name
#D2D5CF

Color has no name
White

#FFFFFF

#21231F color shades

Shades look darker, richer, and more solid.
#21231F

Color has no name
#1A1C18

Color has no name
#131512

Color has no name
#0D0E0C

Color has no name
#060706

Color has no name
Black

#000000

#21231F color tones

Tones looks more sophisticated and complex than base colors.
#21231F

Color has no name
#343631

Color has no name
#464944

Color has no name
#595B57

Color has no name
#6C6D6B

Color has no name
Grey

#808080

#21231F color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#1F2321

Color has no name
#1F2320

Color has no name
#1F231F

Color has no name
#21231F

Color has no name
#22231F

Color has no name
#23211F

Color has no name
#23201F

Color has no name

#21231F 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
#21231F
#21231F

Color has no name

#211F23
#211F23

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
#21231F
#21231F

Color has no name

#231F23
#231F23

Color has no name

#1F1F23
#1F1F23

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
#1F231F
#1F231F

Color has no name

#21231F
#21231F

Color has no name

#23231F
#23231F

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
#21231F
#21231F

Color has no name

#1F2123
#1F2123

Color has no name

#231F21
#231F21

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
#21231F
#21231F

Color has no name

#1F2321
#1F2321

Color has no name

#211F23
#211F23

Color has no name

#231F21
#231F21

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
#21231F
#21231F

Color has no name

#1F2323
#1F2323

Color has no name

#211F23
#211F23

Color has no name

#231F1F
#231F1F

Color has no name

Nearest named colors to #21231F

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

Black Charcoal color link
Black Charcoal

#212121

Black Chestnut Oak color link
Black Chestnut Oak

#252321

Blackjack color link
Blackjack

#1D2020

Cosmonaut color link
Cosmonaut

#26211F

Plock Gray color link
Plock Gray

#232224

Top Gear color link
Top Gear

#24221A

Ink color link
Ink

#27221F

Raisin Black color link
Raisin Black

#242124

Dark Jungle Green color link
Dark Jungle Green

#1A2421

Nero color link
Nero

#252525

Double Barbecue color link
Double Barbecue

#282020

Chimney Sweep color link
Chimney Sweep

#1C1D1F

#21231F color backgrounds & wallpapers

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

#21231F color image #21231F color ORCN HD wallpaper 3840x2160 (Desktop)
#21231F color image #21231F color ORCN HD wallpaper 1170x2532 (Mobile)
#21231F color image #21231F color solid HD wallpaper 3840x2160 (Desktop)
#21231F color image #21231F color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21231F
  • RGB33, 35, 31
  • CMYK1, 0, 2, 86
  • CSSrgb(33, 35, 31)
  • HSL90°, 6%, 13%
  • HSL Precise90°, 6.061%, 12.941%
  • HSV90°, 11%, 14%
  • HSB90°, 11%, 14%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.137
  • Normalized B (0.0–1.0)0.122
  • GLSLvec3(0.129, 0.137, 0.122)
  • GLSL with alphavec4(0.129, 0.137, 0.122, 1.000)
  • HLSL / Metalfloat3(0.129, 0.137, 0.122)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB13.7%
  • Percentage of Blue in RGB12.2%
  • Color FamilyChartreuse
  • Saturation FamilyDesaturated
  • Lightness FamilyDark
  • HEX ID21231F
  • DECIMAL ID2171679
  • Name LengthThis color has no name
  • Seen by search & AI crawlers46 times
  • Counting from2025-01-01

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

ORCN is an independent private organisation that maintains a public register — not a governmental institution or an international standards organisation — in which a name is linked to a specific digital colour code. Registration gives the registrant the exclusive right, within the ORCN register, to have that name recorded against that colour code.

Important: a digital colour itself belongs to no one in law. That right exists only within the ORCN register: registration creates no ownership, trademark, copyright or design rights anywhere. Legal exclusivity outside the register, where it is available at all, arises separately under applicable trademark law and is generally limited to particular goods, services and jurisdictions.