Information about #3666A1 color

#3666A1 color image

Basic facts about this digital color

#3666A1 falls into the Azure Color Family — Moderate Saturation, Light brightness. Its exact recipe is rgb(54, 102, 161) — 21.2% red, 40% green, 63.1% blue — and for print it converts to CMYK 42 / 23 / 0 / 37. New to color codes? See our guide to RGB color codes.

#3666A1 is a pleasantly vivid sky-leaning azure 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 practically indistinguishable from Lochmara (#316EA0). Slightly further away sit Muted Blue (#3B719F) and Super Duper (#42639F).

Technically, the mix leans on its blue channel (rgb(54, 102, 161)), which gives #3666A1 its character. Accessibility-wise, white text works best on #3666A1: 5.9:1 contrast (passing WCAG AA) versus 3.6:1 for black. No one has named #3666A1 so far. Register a name for it and it becomes a permanent record.

#3666A1 color variations

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

#3666A1 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 #3666A1

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

Lochmara color link
Lochmara

#316EA0

Muted Blue color link
Muted Blue

#3B719F

Super Duper color link
Super Duper

#42639F

Primetime color link
Primetime

#3973A9

Flat Blue color link
Flat Blue

#3C73A8

Lapis Lazuli color link
Lapis Lazuli

#26619C

Queen Blue color link
Queen Blue

#436B95

St Tropaz color link
St Tropaz

#2D569B

Lure color link
Lure

#2F77A9

Conversions between color systems and etc.

  • HEX#3666A1
  • RGB54, 102, 161
  • CMYK42, 23, 0, 37
  • CSSrgb(54, 102, 161)
  • HSL213°, 50%, 42%
  • HSL Precise213.084°, 49.767%, 42.157%
  • HSV213°, 66%, 63%
  • HSB213°, 66%, 63%
  • Normalized R (0.0–1.0)0.212
  • Normalized G (0.0–1.0)0.400
  • Normalized B (0.0–1.0)0.631
  • GLSLvec3(0.212, 0.400, 0.631)
  • GLSL with alphavec4(0.212, 0.400, 0.631, 1.000)
  • HLSL / Metalfloat3(0.212, 0.400, 0.631)
  • Percentage of Red in RGB21.2%
  • Percentage of Green in RGB40%
  • Percentage of Blue in RGB63.1%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID3666A1
  • DECIMAL ID3565217
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01