Information about #21457B color

#21457B color image

Basic facts about this digital color

The digital color #21457B is classified in the Register under the Azure Color Family, with Moderate Saturation and Neutral brightness. In numbers: rgb(33, 69, 123) (12.9% red, 27.1% green, 48.2% blue), or CMYK 35 / 21 / 0 / 52 for print. Curious how these numbers work? Read our RGB color codes guide.

#21457B is a clearly saturated steel-blue azure that holds a balanced mid-tone. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to Wet N Wild (#254375). Its next-closest registered neighbors are Zoop De Loop (#254683) and Limitless (#254B75).

In RGB terms — rgb(33, 69, 123) — the blue channel does the heavy lifting here. If you plan to put text on a #21457B background, choose white — the contrast ratio is 9.5:1 (passing WCAG AAA), while black manages only 2.2:1. No one has named #21457B so far. Register a name for it and it becomes a permanent record.

#21457B color variations

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

#21457B color tints

Tints look brighter, pastel, and less intense.
#21457B

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#2F64B4

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#5889D2

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#8FB0E1

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#C7D7F0

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White

#FFFFFF

#21457B color shades

Shades look darker, richer, and more solid.
#21457B

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#1A3763

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#13294A

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#0D1B31

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#060D18

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Black

#000000

#21457B color tones

Tones looks more sophisticated and complex than base colors.
#21457B

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#2F5081

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#405B84

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#536785

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#687383

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Grey

#808080

#21457B color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#6A217C

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#45217C

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#21217C

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#21457B

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#216A7C

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#217C6A

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#217C45

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#21457B 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
#21457B
#21457B

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#7D5821
#7D5821

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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
#21457B
#21457B

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#747D21
#747D21

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#7D2A21
#7D2A21

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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
#2A217D
#2A217D

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#21457B
#21457B

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#21747D
#21747D

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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
#21457B
#21457B

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#7D2146
#7D2146

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#467D21
#467D21

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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
#21457B
#21457B

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#58217D
#58217D

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#7D5821
#7D5821

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#467D21
#467D21

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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
#21457B
#21457B

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#7D2174
#7D2174

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#7D5821
#7D5821

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#217D2A
#217D2A

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Nearest named colors to #21457B

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

Wet N Wild color link
Wet N Wild

#254375

Zoop De Loop color link
Zoop De Loop

#254683

Limitless color link
Limitless

#254B75

Astronaut color link
Astronaut

#283A77

Warriors Blue color link
Warriors Blue

#1D428A

Netherlands Blue color link
Netherlands Blue

#21468B

Dark Cornflower Blue color link
Dark Cornflower Blue

#26428B

JayHawk Blue color link
JayHawk Blue

#194F6E

Blue Jay color link
Blue Jay

#2B547E

Light Navy color link
Light Navy

#155084

Boogie Blue color link
Boogie Blue

#24508A

Sea World color link
Sea World

#323F75

#21457B color backgrounds & wallpapers

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

#21457B color image #21457B color ORCN HD wallpaper 3840x2160 (Desktop)
#21457B color image #21457B color ORCN HD wallpaper 1170x2532 (Mobile)
#21457B color image #21457B color solid HD wallpaper 3840x2160 (Desktop)
#21457B color image #21457B color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21457B
  • RGB33, 69, 123
  • CMYK35, 21, 0, 52
  • CSSrgb(33, 69, 123)
  • HSL216°, 58%, 31%
  • HSL Precise216°, 57.692%, 30.588%
  • HSV216°, 73%, 48%
  • HSB216°, 73%, 48%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.271
  • Normalized B (0.0–1.0)0.482
  • GLSLvec3(0.129, 0.271, 0.482)
  • GLSL with alphavec4(0.129, 0.271, 0.482, 1.000)
  • HLSL / Metalfloat3(0.129, 0.271, 0.482)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB27.1%
  • Percentage of Blue in RGB48.2%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyNeutral
  • HEX ID21457B
  • DECIMAL ID2180475
  • Name LengthThis color has no name
  • Seen by search & AI crawlers10 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.