Information about #21A3C0 color

#21A3C0 color image

Basic facts about this digital color

In the Register's classification, #21A3C0 belongs to the Cyan Color Family, featuring High Saturation and Light brightness. In numbers: rgb(33, 163, 192) (12.9% red, 63.9% green, 75.3% blue), or CMYK 62 / 11 / 0 / 25 for print. New to color codes? See our guide to RGB color codes.

A vivid, lively cyan, #21A3C0 sits on the lighter side of the spectrum. Designers typically reach for tones like this for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is very close to Pacific Blue (#1CA9C9). Nearby in the Register you will also find Ball Blue (#21ABCD) and Freefall (#1D95C9).

Technically, the mix leans on its blue channel (rgb(33, 163, 192)), which gives #21A3C0 its character. If you plan to put text on a #21A3C0 background, choose black — the contrast ratio is 7.1:1 (passing WCAG AAA), while white manages only 3.0:1. Out of 16,777,216 possible colors, #21A3C0 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#21A3C0 color variations

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

#21A3C0 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 #21A3C0

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

Pacific Blue color link
Pacific Blue

#1CA9C9

Ball Blue color link
Ball Blue

#21ABCD

Freefall color link
Freefall

#1D95C9

Pelorous color link
Pelorous

#2599B2

Douban Blue color link
Douban Blue

#2496CD

Peacock color link
Peacock

#33A1C9

Curious Blue color link
Curious Blue

#2596D1

Homebox Blue color link
Homebox Blue

#36A2B9

Blue Green color link
Blue Green

#0D98BA

Blue Ivy color link
Blue Ivy

#3090C7

Moonstone color link
Moonstone

#3AA8C1

Conversions between color systems and etc.

  • HEX#21A3C0
  • RGB33, 163, 192
  • CMYK62, 11, 0, 25
  • CSSrgb(33, 163, 192)
  • HSL191°, 71%, 44%
  • HSL Precise190.943°, 70.667%, 44.118%
  • HSV191°, 83%, 75%
  • HSB191°, 83%, 75%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.639
  • Normalized B (0.0–1.0)0.753
  • GLSLvec3(0.129, 0.639, 0.753)
  • GLSL with alphavec4(0.129, 0.639, 0.753, 1.000)
  • HLSL / Metalfloat3(0.129, 0.639, 0.753)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB63.9%
  • Percentage of Blue in RGB75.3%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID21A3C0
  • DECIMAL ID2204608
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01