Information about #21104B color

#21104B color image

Basic facts about this digital color

The digital color #21104B is classified in the Register under the Violet Color Family, with High Saturation and Dark brightness. In numbers: rgb(33, 16, 75) (12.9% red, 6.3% green, 29.4% blue), or CMYK 16 / 23 / 0 / 71 for print. Curious how these numbers work? Read our RGB color codes guide.

#21104B is a vivid, lively violet that stays on the darker end of the scale. It is a natural fit for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is just a few steps away from Royal Indigo (#240952). Slightly further away sit Dark Indigo (#1F0954) and Hollow Purple (#1C0245).

Technically, the mix leans on its blue channel (rgb(33, 16, 75)), which gives #21104B its character. On this background, white text reaches a 16.9:1 contrast ratio (passing WCAG AAA); black stays at 1.2:1. On paper it relies strongly on black ink (K:71), so proof dark layouts before a large print run. #21104B has no official name yet. If this shade means something to you, you can be the one to name it.

#21104B color variations

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

#21104B color tints

Tints look brighter, pastel, and less intense.
#21104B

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#3F1E90

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#5E2FD3

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#9374E1

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#C9B9F0

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White

#FFFFFF

#21104B color shades

Shades look darker, richer, and more solid.
#21104B

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#1A0C3C

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#13092D

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#0D061E

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#06030F

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Black

#000000

#21104B color tones

Tones looks more sophisticated and complex than base colors.
#21104B

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#301D5E

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#412F6D

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#544677

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#68607D

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Grey

#808080

#21104B color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#4B102E

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#4B1046

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#38104B

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#21104B

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#10174B

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#102E4B

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#10464B

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#21104B 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
#21104B
#21104B

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#3B4C10
#3B4C10

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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
#21104B
#21104B

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#1D4C10
#1D4C10

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#4C3F10
#4C3F10

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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
#3F104C
#3F104C

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#21104B
#21104B

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#101D4C
#101D4C

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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
#21104B
#21104B

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#4C2110
#4C2110

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#104C21
#104C21

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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
#21104B
#21104B

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#4C103B
#4C103B

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#3B4C10
#3B4C10

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#104C21
#104C21

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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
#21104B
#21104B

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#4C101D
#4C101D

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#3B4C10
#3B4C10

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#104C3F
#104C3F

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Nearest named colors to #21104B

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

Royal Indigo color link
Royal Indigo

#240952

Dark Indigo color link
Dark Indigo

#1F0954

Hollow Purple color link
Hollow Purple

#1C0245

Tolopea color link
Tolopea

#1B0245

Navy Blue Bellflower color link
Navy Blue Bellflower

#191F45

Jenniebear Blue color link
Jenniebear Blue

#111154

Russian Violet color link
Russian Violet

#32174D

Sonic Boom color link
Sonic Boom

#252042

Surfs Up color link
Surfs Up

#1F2142

Violet Noir color link
Violet Noir

#2E1F47

Deep Blue Violet color link
Deep Blue Violet

#210059

Suns Purple color link
Suns Purple

#1D1160

#21104B color backgrounds & wallpapers

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

#21104B color image #21104B color ORCN HD wallpaper 3840x2160 (Desktop)
#21104B color image #21104B color ORCN HD wallpaper 1170x2532 (Mobile)
#21104B color image #21104B color solid HD wallpaper 3840x2160 (Desktop)
#21104B color image #21104B color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21104B
  • RGB33, 16, 75
  • CMYK16, 23, 0, 71
  • CSSrgb(33, 16, 75)
  • HSL257°, 65%, 18%
  • HSL Precise257.288°, 64.835%, 17.843%
  • HSV257°, 79%, 29%
  • HSB257°, 79%, 29%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.063
  • Normalized B (0.0–1.0)0.294
  • GLSLvec3(0.129, 0.063, 0.294)
  • GLSL with alphavec4(0.129, 0.063, 0.294, 1.000)
  • HLSL / Metalfloat3(0.129, 0.063, 0.294)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB6.3%
  • Percentage of Blue in RGB29.4%
  • Color FamilyViolet
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID21104B
  • DECIMAL ID2166859
  • Name LengthThis color has no name
  • Seen by search & AI crawlers23 times
  • Counting from2025-01-01

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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.