Information about #378AEF color

#378AEF color image

Basic facts about this digital color

The digital color #378AEF is classified in the Register under the Azure Color Family, with Full Saturation and Light brightness. In numbers: rgb(55, 138, 239) (21.6% red, 54.1% green, 93.7% blue), or CMYK 72 / 40 / 0 / 6 for print. Curious how these numbers work? Read our RGB color codes guide.

The color #378AEF reads as a pure, full-strength steel-blue azure and carries an easy, daylight feel. Expect to see shades like this in logos, highlights and anything that needs to be noticed first. In The Official Register of Color Names it is very close to Bleu De France (#318CE7). Slightly further away sit Real Azure (#3B86FF) and Tufts Blue (#3E8EDE).

In RGB terms — rgb(55, 138, 239) — the blue channel does the heavy lifting here. On this background, black text reaches a 6.0:1 contrast ratio (passing WCAG AA); white stays at 3.5:1. Out of 16,777,216 possible colors, #378AEF is still unnamed — it can be claimed and named in The Official Register of Color Names.

#378AEF color variations

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

#378AEF color tints

Tints look brighter, pastel, and less intense.
#378AEF

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#60A2F2

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#88B9F5

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#AFD0F8

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#D7E7FB

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White

#FFFFFF

#378AEF color shades

Shades look darker, richer, and more solid.
#378AEF

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#116CDA

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#0D51A4

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#08366D

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#041B36

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Black

#000000

#378AEF color tones

Tones looks more sophisticated and complex than base colors.
#378AEF

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#4488DB

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#5085C6

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#5F83B0

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#6E8198

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Grey

#808080

#378AEF color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#C138EE

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#7838EE

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#3841EE

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#378AEF

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#38D3EE

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#38EEC1

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#38EE78

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#378AEF 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
#378AEF
#378AEF

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#EF9D39
#EF9D39

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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
#378AEF
#378AEF

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#E6EF39
#E6EF39

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#EF4239
#EF4239

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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
#4239EF
#4239EF

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#378AEF
#378AEF

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#39E6EF
#39E6EF

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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
#378AEF
#378AEF

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#EF398B
#EF398B

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#8BEF39
#8BEF39

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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
#378AEF
#378AEF

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#9D39EF
#9D39EF

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#EF9D39
#EF9D39

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#8BEF39
#8BEF39

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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
#378AEF
#378AEF

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#EF39E6
#EF39E6

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#EF9D39
#EF9D39

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#39EF42
#39EF42

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Nearest named colors to #378AEF

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

Bleu De France color link
Bleu De France

#318CE7

Real Azure color link
Real Azure

#3B86FF

Tufts Blue color link
Tufts Blue

#3E8EDE

Google Chrome Blue color link
Google Chrome Blue

#4C8BF5

Lightish Blue color link
Lightish Blue

#3D7AFD

Spring Blue color link
Spring Blue

#4590FF

Brilliant Azure color link
Brilliant Azure

#3399FF

Tweeter Blue color link
Tweeter Blue

#4099FF

Weebly Blue color link
Weebly Blue

#1F8EED

Brilliant Cobalt Blue color link
Brilliant Cobalt Blue

#5189E7

Clear Blue color link
Clear Blue

#247AFD

Button Blue color link
Button Blue

#24A0ED

#378AEF color backgrounds & wallpapers

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

#378AEF color image #378AEF color ORCN HD wallpaper 3840x2160 (Desktop)
#378AEF color image #378AEF color ORCN HD wallpaper 1170x2532 (Mobile)
#378AEF color image #378AEF color solid HD wallpaper 3840x2160 (Desktop)
#378AEF color image #378AEF color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#378AEF
  • RGB55, 138, 239
  • CMYK72, 40, 0, 6
  • CSSrgb(55, 138, 239)
  • HSL213°, 85%, 58%
  • HSL Precise212.935°, 85.185%, 57.647%
  • HSV213°, 77%, 94%
  • HSB213°, 77%, 94%
  • Normalized R (0.0–1.0)0.216
  • Normalized G (0.0–1.0)0.541
  • Normalized B (0.0–1.0)0.937
  • GLSLvec3(0.216, 0.541, 0.937)
  • GLSL with alphavec4(0.216, 0.541, 0.937, 1.000)
  • HLSL / Metalfloat3(0.216, 0.541, 0.937)
  • Percentage of Red in RGB21.6%
  • Percentage of Green in RGB54.1%
  • Percentage of Blue in RGB93.7%
  • Color FamilyAzure
  • Saturation FamilyFull Saturation
  • Lightness FamilyLight
  • HEX ID378AEF
  • DECIMAL ID3640047
  • Name LengthThis color has no name
  • Seen by search & AI crawlers9 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.