Information about #5581B4 color

#5581B4 color image

Basic facts about this digital color

In the Register's classification, #5581B4 belongs to the Azure Color Family, featuring Mild Saturation and Light brightness. In numbers: rgb(85, 129, 180) (33.3% red, 50.6% green, 70.6% blue), or CMYK 37 / 20 / 0 / 29 for print. New to color codes? See our guide to RGB color codes.

#5581B4 presents itself as a moderately toned sky-leaning azure — one that carries an easy, daylight feel. In practice it works well for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is almost identical to Off Blue (#5684AE). Slightly further away sit Cyan Azure (#4E82B4) and Dusty Blue (#5A86AD).

The recipe behind #5581B4 is rgb(85, 129, 180), with blue as the dominant ingredient. Accessibility-wise, black text works best on #5581B4: 5.2:1 contrast (passing WCAG AA) versus 4.0:1 for white. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#5581B4 color variations

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

#5581B4 color tints

Tints look brighter, pastel, and less intense.
#5581B4

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#769AC3

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#98B3D2

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#BACCE1

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#DCE5F0

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White

#FFFFFF

#5581B4 color shades

Shades look darker, richer, and more solid.
#5581B4

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#406793

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#304D6E

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#203349

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#101924

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Black

#000000

#5581B4 color tones

Tones looks more sophisticated and complex than base colors.
#5581B4

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#5D81AA

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#65809F

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#6D8095

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#767F8A

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Grey

#808080

#5581B4 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#9A54B4

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#7454B4

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#545BB4

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#5581B4

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#54A7B4

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#54B49A

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#54B474

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#5581B4 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
#5581B4
#5581B4

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#B48855
#B48855

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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
#5581B4
#5581B4

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#B1B455
#B1B455

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#B45855
#B45855

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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
#5855B4
#5855B4

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#5581B4
#5581B4

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#55B1B4
#55B1B4

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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
#5581B4
#5581B4

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#B45581
#B45581

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#81B455
#81B455

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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
#5581B4
#5581B4

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#8855B4
#8855B4

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#B48855
#B48855

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#81B455
#81B455

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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
#5581B4
#5581B4

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#B455B1
#B455B1

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#B48855
#B48855

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#55B458
#55B458

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Nearest named colors to #5581B4

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

Off Blue color link
Off Blue

#5684AE

Cyan Azure color link
Cyan Azure

#4E82B4

Dusty Blue color link
Dusty Blue

#5A86AD

Glaucous color link
Glaucous

#6082B6

Silver Lake Blue color link
Silver Lake Blue

#5D89BA

Cool Blue color link
Cool Blue

#4984B8

Havelock Blue color link
Havelock Blue

#5784C1

Monge Blue color link
Monge Blue

#4D8DB2

Ultramarine Color color link
Ultramarine Color

#5D8CAE

Steel Blue color link
Steel Blue

#4682B4

Danube color link
Danube

#5B89C0

Subzero color link
Subzero

#5B8DBD

#5581B4 color backgrounds & wallpapers

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

#5581B4 color image #5581B4 color ORCN HD wallpaper 3840x2160 (Desktop)
#5581B4 color image #5581B4 color ORCN HD wallpaper 1170x2532 (Mobile)
#5581B4 color image #5581B4 color solid HD wallpaper 3840x2160 (Desktop)
#5581B4 color image #5581B4 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#5581B4
  • RGB85, 129, 180
  • CMYK37, 20, 0, 29
  • CSSrgb(85, 129, 180)
  • HSL212°, 39%, 52%
  • HSL Precise212.211°, 38.776%, 51.961%
  • HSV212°, 53%, 71%
  • HSB212°, 53%, 71%
  • Normalized R (0.0–1.0)0.333
  • Normalized G (0.0–1.0)0.506
  • Normalized B (0.0–1.0)0.706
  • GLSLvec3(0.333, 0.506, 0.706)
  • GLSL with alphavec4(0.333, 0.506, 0.706, 1.000)
  • HLSL / Metalfloat3(0.333, 0.506, 0.706)
  • Percentage of Red in RGB33.3%
  • Percentage of Green in RGB50.6%
  • Percentage of Blue in RGB70.6%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyLight
  • HEX ID5581B4
  • DECIMAL ID5603764
  • Name LengthThis color has no name
  • Seen by search & AI crawlers32 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.