Information about #21B6CA color

#21B6CA color image

Basic facts about this digital color

In the Register's classification, #21B6CA belongs to the Cyan Color Family, featuring High Saturation and Light brightness. The mix behind it: rgb(33, 182, 202) — 12.9% red, 71.4% green, 79.2% blue; the print equivalent is CMYK 66 / 8 / 0 / 21. Curious how these numbers work? Read our RGB color codes guide.

The color #21B6CA reads as a strongly colored water-like cyan and feels open and friendly. Expect to see shades like this in bold branding moments and attention-grabbing details. In The Official Register of Color Names it is just a few steps away from Ball Blue (#21ABCD). Its next-closest registered neighbors are Pacific Blue (#1CA9C9) and Maximum Blue Green (#30BFBF).

The recipe behind #21B6CA is rgb(33, 182, 202), with blue as the dominant ingredient. If you plan to put text on a #21B6CA background, choose black — the contrast ratio is 8.6:1 (passing WCAG AAA), while white manages only 2.4:1. No one has named #21B6CA so far. Register a name for it and it becomes a permanent record.

#21B6CA color variations

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

#21B6CA color tints

Tints look brighter, pastel, and less intense.
#21B6CA

Color has no name
#41CDE0

Color has no name
#70D9E7

Color has no name
#A0E6EF

Color has no name
#CFF2F7

Color has no name
White

#FFFFFF

#21B6CA color shades

Shades look darker, richer, and more solid.
#21B6CA

Color has no name
#1A91A1

Color has no name
#136D79

Color has no name
#0D4850

Color has no name
#062428

Color has no name
Black

#000000

#21B6CA color tones

Tones looks more sophisticated and complex than base colors.
#21B6CA

Color has no name
#32ACBC

Color has no name
#44A1AD

Color has no name
#57969E

Color has no name
#6B8B8F

Color has no name
Grey

#808080

#21B6CA color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#5620C9

Color has no name
#202EC9

Color has no name
#2072C9

Color has no name
#21B6CA

Color has no name
#20C999

Color has no name
#20C956

Color has no name
#2EC920

Color has no name

#21B6CA 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
#21B6CA
#21B6CA

Color has no name

#CA3521
#CA3521

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
#21B6CA
#21B6CA

Color has no name

#CA8921
#CA8921

Color has no name

#CA2162
#CA2162

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
#2162CA
#2162CA

Color has no name

#21B6CA
#21B6CA

Color has no name

#21CA89
#21CA89

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
#21B6CA
#21B6CA

Color has no name

#CA21B6
#CA21B6

Color has no name

#B6CA21
#B6CA21

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
#21B6CA
#21B6CA

Color has no name

#3521CA
#3521CA

Color has no name

#CA3521
#CA3521

Color has no name

#B6CA21
#B6CA21

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
#21B6CA
#21B6CA

Color has no name

#8921CA
#8921CA

Color has no name

#CA3521
#CA3521

Color has no name

#62CA21
#62CA21

Color has no name

Nearest named colors to #21B6CA

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

Ball Blue color link
Ball Blue

#21ABCD

Pacific Blue color link
Pacific Blue

#1CA9C9

Maximum Blue Green color link
Maximum Blue Green

#30BFBF

Caribbean Blue color link
Caribbean Blue

#1AC1DD

Peacock color link
Peacock

#33A1C9

COMS Blue color link
COMS Blue

#21BDE5

Moonstone color link
Moonstone

#3AA8C1

Summer Sky color link
Summer Sky

#38B0DE

Light Sea Green color link
Light Sea Green

#20B2AA

Douban Blue color link
Douban Blue

#2496CD

Curious Blue color link
Curious Blue

#2596D1

Freefall color link
Freefall

#1D95C9

#21B6CA color backgrounds & wallpapers

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

#21B6CA color image #21B6CA color ORCN HD wallpaper 3840x2160 (Desktop)
#21B6CA color image #21B6CA color ORCN HD wallpaper 1170x2532 (Mobile)
#21B6CA color image #21B6CA color solid HD wallpaper 3840x2160 (Desktop)
#21B6CA color image #21B6CA color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21B6CA
  • RGB33, 182, 202
  • CMYK66, 8, 0, 21
  • CSSrgb(33, 182, 202)
  • HSL187°, 72%, 46%
  • HSL Precise187.101°, 71.915%, 46.078%
  • HSV187°, 84%, 79%
  • HSB187°, 84%, 79%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.714
  • Normalized B (0.0–1.0)0.792
  • GLSLvec3(0.129, 0.714, 0.792)
  • GLSL with alphavec4(0.129, 0.714, 0.792, 1.000)
  • HLSL / Metalfloat3(0.129, 0.714, 0.792)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB71.4%
  • Percentage of Blue in RGB79.2%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID21B6CA
  • DECIMAL ID2209482
  • Name LengthThis color has no name
  • Seen by search & AI crawlers19 times
  • Counting from2025-01-01

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