Information about #21A3B6 color

#21A3B6 color image

Basic facts about this digital color

The digital color #21A3B6 is classified in the Register under the Cyan Color Family, with High Saturation and Light brightness. In numbers: rgb(33, 163, 182) (12.9% red, 63.9% green, 71.4% blue), or CMYK 58 / 7 / 0 / 29 for print. New to color codes? See our guide to RGB color codes.

#21A3B6 is a energetic, saturated water-like cyan that sits on the lighter side of the spectrum. In practice it works well for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is just a few steps away from Pelorous (#2599B2). Nearby in the Register you will also find Light Sea Green (#20B2AA) and Pacific Blue (#1CA9C9).

In RGB terms — rgb(33, 163, 182) — the blue channel does the heavy lifting here. If you plan to put text on a #21A3B6 background, choose black — the contrast ratio is 7.0:1 (passing WCAG AA), while white manages only 3.0:1. #21A3B6 has no official name yet. If this shade means something to you, you can be the one to name it.

#21A3B6 color variations

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

#21A3B6 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 #21A3B6

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

Pelorous color link
Pelorous

#2599B2

Pacific Blue color link
Pacific Blue

#1CA9C9

Homebox Blue color link
Homebox Blue

#36A2B9

Blue Green color link
Blue Green

#0D98BA

Freefall color link
Freefall

#1D95C9

Ball Blue color link
Ball Blue

#21ABCD

Spring Teal color link
Spring Teal

#0EA7A5

Peacock color link
Peacock

#33A1C9

Boy Red color link
Boy Red

#0E9CA5

Douban Blue color link
Douban Blue

#2496CD

AITriedPume color link
AITriedPume

#13B6A9

Conversions between color systems and etc.

  • HEX#21A3B6
  • RGB33, 163, 182
  • CMYK58, 7, 0, 29
  • CSSrgb(33, 163, 182)
  • HSL188°, 69%, 42%
  • HSL Precise187.651°, 69.302%, 42.157%
  • HSV188°, 82%, 71%
  • HSB188°, 82%, 71%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.639
  • Normalized B (0.0–1.0)0.714
  • GLSLvec3(0.129, 0.639, 0.714)
  • GLSL with alphavec4(0.129, 0.639, 0.714, 1.000)
  • HLSL / Metalfloat3(0.129, 0.639, 0.714)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB63.9%
  • Percentage of Blue in RGB71.4%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID21A3B6
  • DECIMAL ID2204598
  • Name LengthThis color has no name
  • Seen by search & AI crawlers8 times
  • Counting from2025-01-01