Information about #81B3CF color

#81B3CF color image

Basic facts about this digital color

The digital color #81B3CF is classified in the Register under the Azure Color Family, with Moderate Saturation and Very Light brightness. Its exact recipe is rgb(129, 179, 207) — 50.6% red, 70.2% green, 81.2% blue — and for print it converts to CMYK 31 / 11 / 0 / 19. Curious how these numbers work? Read our RGB color codes guide.

A clearly saturated sky-leaning azure, #81B3CF has a delicate, washed-out lightness. Expect to see shades like this in airy backdrops, whitespace-heavy designs and gentle gradients. In The Official Register of Color Names it is a near neighbor of Seagull (#77B7D0). Slightly further away sit Polo Blue (#8AA7CC) and Metallic Glacier (#89B1C2).

Technically, the mix leans on its blue channel (rgb(129, 179, 207)), which gives #81B3CF its character. On this background, black text reaches a 9.3:1 contrast ratio (passing WCAG AAA); white stays at 2.3:1. Out of 16,777,216 possible colors, #81B3CF is still unnamed — it can be claimed and named in The Official Register of Color Names.

#81B3CF color variations

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

#81B3CF 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 #81B3CF

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

Seagull color link
Seagull

#77B7D0

Polo Blue color link
Polo Blue

#8AA7CC

Blake color link
Blake

#88A7C8

Refresh color link
Refresh

#71B8CA

Blue Hosta color link
Blue Hosta

#77BFC7

Glacier color link
Glacier

#78B1BF

Iceberg color link
Iceberg

#71A6D2

Ruddy Blue color link
Ruddy Blue

#76ABDF

Neptune color link
Neptune

#7CB7BB

Conversions between color systems and etc.

  • HEX#81B3CF
  • RGB129, 179, 207
  • CMYK31, 11, 0, 19
  • CSSrgb(129, 179, 207)
  • HSL202°, 45%, 66%
  • HSL Precise201.538°, 44.828%, 65.882%
  • HSV202°, 38%, 81%
  • HSB202°, 38%, 81%
  • Normalized R (0.0–1.0)0.506
  • Normalized G (0.0–1.0)0.702
  • Normalized B (0.0–1.0)0.812
  • GLSLvec3(0.506, 0.702, 0.812)
  • GLSL with alphavec4(0.506, 0.702, 0.812, 1.000)
  • HLSL / Metalfloat3(0.506, 0.702, 0.812)
  • Percentage of Red in RGB50.6%
  • Percentage of Green in RGB70.2%
  • Percentage of Blue in RGB81.2%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyVery Light
  • HEX ID81B3CF
  • DECIMAL ID8500175
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01