Information about #3681B0 color

#3681B0 color image

Basic facts about this digital color

In the Register's classification, #3681B0 belongs to the Azure Color Family, featuring Moderate Saturation and Light brightness. In numbers: rgb(54, 129, 176) (21.2% red, 50.6% green, 69% blue), or CMYK 48 / 18 / 0 / 31 for print. Curious how these numbers work? Read our RGB color codes guide.

A clearly saturated sky-leaning azure, #3681B0 feels open and friendly. Expect to see shades like this in understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is very close to Sports Star (#3D85B8). Its next-closest registered neighbors are Lure (#2F77A9) and Primetime (#3973A9).

The recipe behind #3681B0 is rgb(54, 129, 176), with blue as the dominant ingredient. If you plan to put text on a #3681B0 background, choose black — the contrast ratio is 4.9:1 (passing WCAG AA), while white manages only 4.3:1. No one has named #3681B0 so far. Register a name for it and it becomes a permanent record.

#3681B0 color variations

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

#3681B0 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 #3681B0

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

Sports Star color link
Sports Star

#3D85B8

Lure color link
Lure

#2F77A9

Primetime color link
Primetime

#3973A9

Steel Blue color link
Steel Blue

#4682B4

Flat Blue color link
Flat Blue

#3C73A8

Boston Blue color link
Boston Blue

#3B91B4

Endorphin color link
Endorphin

#4190AD

Kasper Blue color link
Kasper Blue

#4072B7

UCLA Blue color link
UCLA Blue

#2774AE

Bluish color link
Bluish

#2976BB

Waterfront color link
Waterfront

#3E7F9D

Conversions between color systems and etc.

  • HEX#3681B0
  • RGB54, 129, 176
  • CMYK48, 18, 0, 31
  • CSSrgb(54, 129, 176)
  • HSL203°, 53%, 45%
  • HSL Precise203.115°, 53.043%, 45.098%
  • HSV203°, 69%, 69%
  • HSB203°, 69%, 69%
  • Normalized R (0.0–1.0)0.212
  • Normalized G (0.0–1.0)0.506
  • Normalized B (0.0–1.0)0.690
  • GLSLvec3(0.212, 0.506, 0.690)
  • GLSL with alphavec4(0.212, 0.506, 0.690, 1.000)
  • HLSL / Metalfloat3(0.212, 0.506, 0.690)
  • Percentage of Red in RGB21.2%
  • Percentage of Green in RGB50.6%
  • Percentage of Blue in RGB69%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID3681B0
  • DECIMAL ID3572144
  • Name LengthThis color has no name
  • Seen by search & AI crawlers7 times
  • Counting from2025-01-01