*/?>

Information about COMS Blue color

#21BDE5 - COMS Blue color image

Basic facts about this digital color

In the Register's classification, #21BDE5 ("COMS Blue") belongs to the Cyan Color Family, featuring High Saturation and Light brightness. The mix behind it: rgb(33, 189, 229) — 12.9% red, 74.1% green, 89.8% blue; the print equivalent is CMYK 77 / 16 / 0 / 10. New to color codes? See our guide to RGB color codes.

The color #21BDE5 reads as a energetic, saturated cyan and feels open and friendly. Designers typically reach for tones like this for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is just a few steps away from Caribbean Blue (#1AC1DD). Its next-closest registered neighbors are be Supernormal. blue (#27BFF1) and failsam blue (#15B1EF).

Technically, the mix leans on its blue channel (rgb(33, 189, 229)), which gives #21BDE5 its character. Accessibility-wise, black text works best on #21BDE5: 9.5:1 contrast (passing WCAG AAA) versus 2.2:1 for white. The name "COMS Blue" is officially recorded for this exact shade in The Official Register of Color Names.

COMS Blue color variations

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

COMS Blue color tints

Tints look brighter, pastel, and less intense.
COMS Blue

#21BDE5
#4CCAEA

Color has no name
#78D7EF

Color has no name
#A5E4F4

Color has no name
#D2F1F9

Color has no name
White

#FFFFFF

COMS Blue color shades

Shades look darker, richer, and more solid.
COMS Blue

#21BDE5
#1599BA

Color has no name
#10738B

Color has no name
#0A4C5D

Color has no name
#05262E

Color has no name
Black

#000000

COMS Blue color tones

Tones looks more sophisticated and complex than base colors.
COMS Blue

#21BDE5
#32B1D0

Color has no name
#45A4BC

Color has no name
#5898A8

Color has no name
#6B8C94

Color has no name
Grey

#808080

COMS Blue color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#6E1FE4

Color has no name
#1F1FE4

Color has no name
#1F6EE4

Color has no name
COMS Blue

#21BDE5
#1FE4BD

Color has no name
#1FE46E

Color has no name
#1FE41F

Color has no name

COMS Blue 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
#21BDE5
COMS Blue

#21BDE5

#E5471F
#E5471F

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
#21BDE5
COMS Blue

#21BDE5

#E5AA1F
#E5AA1F

Color has no name

#E51F5B
#E51F5B

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
#1F5BE5
#1F5BE5

Color has no name

#21BDE5
COMS Blue

#21BDE5

#1FE5AA
#1FE5AA

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
#21BDE5
COMS Blue

#21BDE5

#E51FBD
#E51FBD

Color has no name

#BDE51F
#BDE51F

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
#21BDE5
COMS Blue

#21BDE5

#471FE5
#471FE5

Color has no name

#E5471F
#E5471F

Color has no name

#BDE51F
#BDE51F

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
#21BDE5
COMS Blue

#21BDE5

#AA1FE5
#AA1FE5

Color has no name

#E5471F
#E5471F

Color has no name

#5BE51F
#5BE51F

Color has no name

Nearest named colors to COMS Blue

The closest officially registered color names in the Register, ordered by similarity.

Caribbean Blue color link
Caribbean Blue

#1AC1DD

be Supernormal. blue color link
be Supernormal. blue

#27BFF1

failsam blue color link
failsam blue

#15B1EF

LALITHA'S SKY color link
LALITHA'S SKY

#34B6EA

Blue Raspberry color link
Blue Raspberry

#0CBFE9

Summer Sky color link
Summer Sky

#38B0DE

Spiro Disco Ball color link
Spiro Disco Ball

#0FC0FC

Butterfly Blue color link
Butterfly Blue

#38ACEC

Ball Blue color link
Ball Blue

#21ABCD

Button Blue color link
Button Blue

#24A0ED

Spring Sky color link
Spring Sky

#3FB8F1

Hawaii Blue color link
Hawaii Blue

#00C3E3

COMS Blue color backgrounds & wallpapers

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

#21BDE5 - COMS Blue color image COMS Blue color ORCN HD wallpaper 3840x2160 (Desktop)
#21BDE5 - COMS Blue color image COMS Blue color ORCN HD wallpaper 1170x2532 (Mobile)
#21BDE5 - COMS Blue color image COMS Blue color solid HD wallpaper 3840x2160 (Desktop)
#21BDE5 - COMS Blue color image COMS Blue color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21BDE5
  • RGB33, 189, 229
  • CMYK77, 16, 0, 10
  • CSSrgb(33, 189, 229)
  • HSL192°, 79%, 51%
  • HSL Precise192.245°, 79.032%, 51.373%
  • HSV192°, 86%, 90%
  • HSB192°, 86%, 90%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.741
  • Normalized B (0.0–1.0)0.898
  • GLSLvec3(0.129, 0.741, 0.898)
  • GLSL with alphavec4(0.129, 0.741, 0.898, 1.000)
  • HLSL / Metalfloat3(0.129, 0.741, 0.898)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB74.1%
  • Percentage of Blue in RGB89.8%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID21BDE5
  • DECIMAL ID2211301
  • Name Length9
  • This page visited5 times
  • Counting from2025-01-01

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