Information about Black Charcoal color

#212121 - Black Charcoal color image

Basic facts about this digital color

The digital color #212121, known as "Black Charcoal", is classified in the Register under the Red Color Family, with Desaturated and Dark brightness. In numbers: rgb(33, 33, 33) (12.9% red, 12.9% green, 12.9% blue), or CMYK 0 / 0 / 0 / 87 for print. New to color codes? See our guide to RGB color codes.

The color #212121 reads as a softly muted neutral grey and 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 Plock Gray (#232224). Its next-closest registered neighbors are Raisin Black (#242124) and Blackjack (#1D2020).

Under the hood all three RGB channels are equal (33 each), placing #212121 exactly on the neutral axis of the color space. If you plan to put text on a #212121 background, choose white — the contrast ratio is 16.1:1 (passing WCAG AAA), while black manages only 1.3:1. On paper it relies strongly on black ink (K:87), so proof dark layouts before a large print run. This precise shade carries the officially registered name "Black Charcoal" in the Register.

Black Charcoal color variations

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

Black Charcoal color tints

Tints look brighter, pastel, and less intense.
Black Charcoal

#212121
#4D4D4D

Color has no name
#797979

Color has no name
Quick Silver

#A6A6A6
#D2D2D2

Color has no name
White

#FFFFFF

Black Charcoal color shades

Shades look darker, richer, and more solid.
Black Charcoal

#212121
#1A1A1A

Color has no name
#131313

Color has no name
#0D0D0D

Color has no name
#060606

Color has no name
Black

#000000

Black Charcoal color tones

Tones looks more sophisticated and complex than base colors.
Black Charcoal

#212121
Jet

#343434
#464646

Color has no name
#595959

Color has no name
#6C6C6C

Color has no name
Grey

#808080

Black Charcoal color hues

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

#212121
Black Charcoal

#212121
Black Charcoal

#212121
Black Charcoal

#212121
Black Charcoal

#212121
Black Charcoal

#212121
Black Charcoal

#212121

Black Charcoal 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
#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

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
#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

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
#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

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
#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

Tetradic

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

Tetradic color scheme
#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

Square

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

Square color scheme
#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

#212121
Black Charcoal

#212121

Nearest named colors to Black Charcoal

The closest officially registered color names in the Register, ordered by similarity.

Plock Gray color link
Plock Gray

#232224

Blackjack color link
Blackjack

#1D2020

Raisin Black color link
Raisin Black

#242124

Black Chestnut Oak color link
Black Chestnut Oak

#252321

Cosmonaut color link
Cosmonaut

#26211F

Ink color link
Ink

#27221F

Chimney Sweep color link
Chimney Sweep

#1C1D1F

Nero color link
Nero

#252525

Double Barbecue color link
Double Barbecue

#282020

Dark Jungle Green color link
Dark Jungle Green

#1A2421

Top Gear color link
Top Gear

#24221A

Aesthetic Black color link
Aesthetic Black

#1C1C1E

Black Charcoal color backgrounds & wallpapers

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

#212121 - Black Charcoal color image Black Charcoal color ORCN HD wallpaper 3840x2160 (Desktop)
#212121 - Black Charcoal color image Black Charcoal color ORCN HD wallpaper 1170x2532 (Mobile)
#212121 - Black Charcoal color image Black Charcoal color solid HD wallpaper 3840x2160 (Desktop)
#212121 - Black Charcoal color image Black Charcoal color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#212121
  • RGB33, 33, 33
  • CMYK0, 0, 0, 87
  • CSSrgb(33, 33, 33)
  • HSL0°, 0%, 13%
  • HSL Precise0°, 0%, 12.941%
  • HSV0°, 0%, 13%
  • HSB0°, 0%, 13%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.129
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.129, 0.129, 0.129)
  • GLSL with alphavec4(0.129, 0.129, 0.129, 1.000)
  • HLSL / Metalfloat3(0.129, 0.129, 0.129)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB12.9%
  • Percentage of Blue in RGB12.9%
  • Color Family (Hue)Red
  • Saturation FamilyDesaturated
  • Lightness FamilyDark
  • HEX ID212121
  • DECIMAL ID2171169
  • Name Length14
  • This page visited900 times
  • Counting from2025-01-01

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