Information about #3B66AB color

#3B66AB color image

Basic facts about this digital color

In the Register's classification, #3B66AB belongs to the Azure Color Family, featuring Moderate Saturation and Light brightness. The mix behind it: rgb(59, 102, 171) — 23.1% red, 40% green, 67.1% blue; the print equivalent is CMYK 44 / 27 / 0 / 33. Curious how these numbers work? Read our RGB color codes guide.

#3B66AB is a confidently colored azure that sits on the lighter side of the spectrum. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a near neighbor of Primetime (#3973A9). Nearby in the Register you will also find Flat Blue (#3C73A8) and Super Duper (#42639F).

Technically, the mix leans on its blue channel (rgb(59, 102, 171)), which gives #3B66AB its character. If you plan to put text on a #3B66AB background, choose white — the contrast ratio is 5.7:1 (passing WCAG AA), while black manages only 3.7:1. #3B66AB has no official name yet. If this shade means something to you, you can be the one to name it.

#3B66AB color variations

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

#3B66AB 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

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

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

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

Tetradic

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

Tetradic color scheme

Square

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

Square color scheme

Nearest named colors to #3B66AB

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

Primetime color link
Primetime

#3973A9

Flat Blue color link
Flat Blue

#3C73A8

Super Duper color link
Super Duper

#42639F

Muted Blue color link
Muted Blue

#3B719F

Lochmara color link
Lochmara

#316EA0

Onetta Blue color link
Onetta Blue

#4070B8

Kasper Blue color link
Kasper Blue

#4072B7

Quantum color link
Quantum

#4A6CB4

Lure color link
Lure

#2F77A9

Mid Blue color link
Mid Blue

#276AB3

Conversions between color systems and etc.

  • HEX#3B66AB
  • RGB59, 102, 171
  • CMYK44, 27, 0, 33
  • CSSrgb(59, 102, 171)
  • HSL217°, 49%, 45%
  • HSL Precise216.964°, 48.696%, 45.098%
  • HSV217°, 65%, 67%
  • HSB217°, 65%, 67%
  • Normalized R (0.0–1.0)0.231
  • Normalized G (0.0–1.0)0.400
  • Normalized B (0.0–1.0)0.671
  • GLSLvec3(0.231, 0.400, 0.671)
  • GLSL with alphavec4(0.231, 0.400, 0.671, 1.000)
  • HLSL / Metalfloat3(0.231, 0.400, 0.671)
  • Percentage of Red in RGB23.1%
  • Percentage of Green in RGB40%
  • Percentage of Blue in RGB67.1%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID3B66AB
  • DECIMAL ID3892907
  • Name LengthThis color has no name
  • Seen by search & AI crawlers23 times
  • Counting from2025-01-01