Information about #3666BA color

#3666BA color image

Basic facts about this digital color

The digital color #3666BA is classified in the Register under the Azure Color Family, with Moderate Saturation and Light brightness. Its exact recipe is rgb(54, 102, 186) — 21.2% red, 40% green, 72.9% blue — and for print it converts to CMYK 52 / 33 / 0 / 27. Curious how these numbers work? Read our RGB color codes guide.

A pleasantly vivid azure, #3666BA sits on the lighter side of the spectrum. Expect to see shades like this in understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a near neighbor of True Blue (#2D68C4). Nearby in the Register you will also find Onetta Blue (#4070B8) and Kasper Blue (#4072B7).

Technically, the mix leans on its blue channel (rgb(54, 102, 186)), which gives #3666BA its character. If you plan to put text on a #3666BA background, choose white — the contrast ratio is 5.6:1 (passing WCAG AA), while black manages only 3.8:1. Out of 16,777,216 possible colors, #3666BA is still unnamed — it can be claimed and named in The Official Register of Color Names.

#3666BA color variations

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

#3666BA color tints

Tints look brighter, pastel, and less intense.
#3666BA

Color has no name
#5783CE

Color has no name
#81A2DA

Color has no name
#ABC1E6

Color has no name
#D5E0F2

Color has no name
White

#FFFFFF

#3666BA color shades

Shades look darker, richer, and more solid.
#3666BA

Color has no name
#2B5194

Color has no name
#203D6F

Color has no name
#15284A

Color has no name
#0A1425

Color has no name
Black

#000000

#3666BA color tones

Tones looks more sophisticated and complex than base colors.
#3666BA

Color has no name
#436BAE

Color has no name
#5270A3

Color has no name
#617597

Color has no name
#707A8B

Color has no name
Grey

#808080

#3666BA color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#A335B9

Color has no name
#6F35B9

Color has no name
#3A35B9

Color has no name
#3666BA

Color has no name
#359BB9

Color has no name
#35B9A3

Color has no name
#35B96F

Color has no name

#3666BA 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
#3666BA
#3666BA

Color has no name

#BA8936
#BA8936

Color has no name

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
#3666BA
#3666BA

Color has no name

#A8BA36
#A8BA36

Color has no name

#BA4836
#BA4836

Color has no name

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
#4836BA
#4836BA

Color has no name

#3666BA
#3666BA

Color has no name

#36A8BA
#36A8BA

Color has no name

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
#3666BA
#3666BA

Color has no name

#BA3666
#BA3666

Color has no name

#66BA36
#66BA36

Color has no name

Tetradic

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

Tetradic color scheme
#3666BA
#3666BA

Color has no name

#8936BA
#8936BA

Color has no name

#BA8936
#BA8936

Color has no name

#66BA36
#66BA36

Color has no name

Square

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

Square color scheme
#3666BA
#3666BA

Color has no name

#BA36A8
#BA36A8

Color has no name

#BA8936
#BA8936

Color has no name

#36BA48
#36BA48

Color has no name

Nearest named colors to #3666BA

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

True Blue color link
True Blue

#2D68C4

Onetta Blue color link
Onetta Blue

#4070B8

Kasper Blue color link
Kasper Blue

#4072B7

Mid Blue color link
Mid Blue

#276AB3

Bluish color link
Bluish

#2976BB

Flat Medium Blue color link
Flat Medium Blue

#3A5FCD

Primetime color link
Primetime

#3973A9

Quantum color link
Quantum

#4A6CB4

Flat Blue color link
Flat Blue

#3C73A8

Cerulean Blue color link
Cerulean Blue

#2A52BE

UCLA Blue color link
UCLA Blue

#2774AE

Mariner color link
Mariner

#286ACD

#3666BA color backgrounds & wallpapers

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

#3666BA color image #3666BA color ORCN HD wallpaper 3840x2160 (Desktop)
#3666BA color image #3666BA color ORCN HD wallpaper 1170x2532 (Mobile)
#3666BA color image #3666BA color solid HD wallpaper 3840x2160 (Desktop)
#3666BA color image #3666BA color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#3666BA
  • RGB54, 102, 186
  • CMYK52, 33, 0, 27
  • CSSrgb(54, 102, 186)
  • HSL218°, 55%, 47%
  • HSL Precise218.182°, 55%, 47.059%
  • HSV218°, 71%, 73%
  • HSB218°, 71%, 73%
  • Normalized R (0.0–1.0)0.212
  • Normalized G (0.0–1.0)0.400
  • Normalized B (0.0–1.0)0.729
  • GLSLvec3(0.212, 0.400, 0.729)
  • GLSL with alphavec4(0.212, 0.400, 0.729, 1.000)
  • HLSL / Metalfloat3(0.212, 0.400, 0.729)
  • Percentage of Red in RGB21.2%
  • Percentage of Green in RGB40%
  • Percentage of Blue in RGB72.9%
  • Color Family (Hue)Azure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID3666BA
  • DECIMAL ID3565242
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01

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