Information about #66D4FF color

#66D4FF color image

Basic facts about this digital color

#66D4FF falls into the Azure Color Family — Full Saturation, Very Light brightness. Its exact recipe is rgb(102, 212, 255) — 40% red, 83.1% green, 100% blue — and for print it converts to CMYK 60 / 17 / 0 / 0. Curious how these numbers work? Read our RGB color codes guide.

#66D4FF is a maximally vivid steel-blue azure that floats near the light end of the scale. It is a natural fit for airy backdrops, whitespace-heavy designs and gentle gradients. In The Official Register of Color Names it is practically indistinguishable from Light Brilliant Cerulean (#65D8FF). Nearby in the Register you will also find Light Brilliant Cornflower Blue (#65C5FF) and Maya Blue (#73C2FB).

The recipe behind #66D4FF is rgb(102, 212, 255), with blue as the dominant ingredient. On this background, black text reaches a 12.4:1 contrast ratio (passing WCAG AAA); white stays at 1.7:1. No one has named #66D4FF so far. Register a name for it and it becomes a permanent record.

#66D4FF color variations

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

#66D4FF color tints

Tints look brighter, pastel, and less intense.
#66D4FF

Color has no name
#84DCFF

Color has no name
#A3E4FF

Color has no name
#C1EDFF

Color has no name
#E0F6FF

Color has no name
White

#FFFFFF

#66D4FF color shades

Shades look darker, richer, and more solid.
#66D4FF

Color has no name
#1EBFFF

Color has no name
#0099D6

Color has no name
#00668E

Color has no name
#003347

Color has no name
Black

#000000

#66D4FF color tones

Tones looks more sophisticated and complex than base colors.
#66D4FF

Color has no name
#62C6ED

Color has no name
#63B7D8

Color has no name
#69A6BE

Color has no name
#7293A1

Color has no name
Grey

#808080

#66D4FF color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#AF65FF

Color has no name
#7265FF

Color has no name
#6596FF

Color has no name
#66D4FF

Color has no name
#65FFED

Color has no name
#65FFAF

Color has no name
#65FF72

Color has no name

#66D4FF 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
#66D4FF
#66D4FF

Color has no name

#FF9166
#FF9166

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
#66D4FF
#66D4FF

Color has no name

#FFDE66
#FFDE66

Color has no name

#FF6687
#FF6687

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
#6687FF
#6687FF

Color has no name

#66D4FF
#66D4FF

Color has no name

#66FFDE
#66FFDE

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
#66D4FF
#66D4FF

Color has no name

#FF66D4
#FF66D4

Color has no name

#D4FF66
#D4FF66

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
#66D4FF
#66D4FF

Color has no name

#9166FF
#9166FF

Color has no name

#FF9166
#FF9166

Color has no name

#D4FF66
#D4FF66

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
#66D4FF
#66D4FF

Color has no name

#DE66FF
#DE66FF

Color has no name

#FF9166
#FF9166

Color has no name

#87FF66
#87FF66

Color has no name

Nearest named colors to #66D4FF

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

Light Brilliant Cerulean color link
Light Brilliant Cerulean

#65D8FF

Light Brilliant Cornflower Blue color link
Light Brilliant Cornflower Blue

#65C5FF

Maya Blue color link
Maya Blue

#73C2FB

Light Brilliant Arctic Blue color link
Light Brilliant Arctic Blue

#65ECFF

Lightblue color link
Lightblue

#7BC8F6

Palm Beach Sky color link
Palm Beach Sky

#7AE2F0

Very Light Azure color link
Very Light Azure

#74BBFB

Day Sky Blue color link
Day Sky Blue

#82CAFF

Sky color link
Sky

#82CAFC

Aquamarine Blue color link
Aquamarine Blue

#71D9E2

Brilliant Arctic Blue color link
Brilliant Arctic Blue

#51D5E7

Medium Sky Blue color link
Medium Sky Blue

#80DAEB

#66D4FF color backgrounds & wallpapers

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

#66D4FF color image #66D4FF color ORCN HD wallpaper 3840x2160 (Desktop)
#66D4FF color image #66D4FF color ORCN HD wallpaper 1170x2532 (Mobile)
#66D4FF color image #66D4FF color solid HD wallpaper 3840x2160 (Desktop)
#66D4FF color image #66D4FF color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#66D4FF
  • RGB102, 212, 255
  • CMYK60, 17, 0, 0
  • CSSrgb(102, 212, 255)
  • HSL197°, 100%, 70%
  • HSL Precise196.863°, 100%, 70%
  • HSV197°, 60%, 100%
  • HSB197°, 60%, 100%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.831
  • Normalized B (0.0–1.0)1.000
  • GLSLvec3(0.400, 0.831, 1.000)
  • GLSL with alphavec4(0.400, 0.831, 1.000, 1.000)
  • HLSL / Metalfloat3(0.400, 0.831, 1.000)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB83.1%
  • Percentage of Blue in RGB100%
  • Color FamilyAzure
  • Saturation FamilyFull Saturation
  • Lightness FamilyVery Light
  • HEX ID66D4FF
  • DECIMAL ID6739199
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01

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