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Information about #21A1BA color

#21A1BA color image

Basic facts about this digital color

#21A1BA falls into the Cyan Color Family — High Saturation, Light brightness. The mix behind it: rgb(33, 161, 186) — 12.9% red, 63.1% green, 72.9% blue; the print equivalent is CMYK 60 / 10 / 0 / 27. Curious how these numbers work? Read our RGB color codes guide.

A strongly colored aqua cyan, #21A1BA feels open and friendly. Expect to see shades like this in accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is just a few steps away from Pelorous (#2599B2). Its next-closest registered neighbors are Pacific Blue (#1CA9C9) and Freefall (#1D95C9).

Technically, the mix leans on its blue channel (rgb(33, 161, 186)), which gives #21A1BA its character. Accessibility-wise, black text works best on #21A1BA: 6.9:1 contrast (passing WCAG AA) versus 3.1:1 for white. #21A1BA has no official name yet. If this shade means something to you, you can be the one to name it.

#21A1BA color variations

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

#21A1BA 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 #21A1BA

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

Freefall color link
Freefall

#1D95C9

Homebox Blue color link
Homebox Blue

#36A2B9

Ball Blue color link
Ball Blue

#21ABCD

Blue Green color link
Blue Green

#0D98BA

Douban Blue color link
Douban Blue

#2496CD

Peacock color link
Peacock

#33A1C9

Curious Blue color link
Curious Blue

#2596D1

Blue Ivy color link
Blue Ivy

#3090C7

Conversions between color systems and etc.

  • HEX#21A1BA
  • RGB33, 161, 186
  • CMYK60, 10, 0, 27
  • CSSrgb(33, 161, 186)
  • HSL190°, 70%, 43%
  • HSL Precise189.804°, 69.863%, 42.941%
  • HSV190°, 82%, 73%
  • HSB190°, 82%, 73%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.631
  • Normalized B (0.0–1.0)0.729
  • GLSLvec3(0.129, 0.631, 0.729)
  • GLSL with alphavec4(0.129, 0.631, 0.729, 1.000)
  • HLSL / Metalfloat3(0.129, 0.631, 0.729)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB63.1%
  • Percentage of Blue in RGB72.9%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID21A1BA
  • DECIMAL ID2204090
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01