Information about #21D1E7 color

#21D1E7 color image

Basic facts about this digital color

In the Register's classification, #21D1E7 belongs to the Cyan Color Family, featuring High Saturation and Light brightness. The mix behind it: rgb(33, 209, 231) — 12.9% red, 82% green, 90.6% blue; the print equivalent is CMYK 78 / 9 / 0 / 9. New to color codes? See our guide to RGB color codes.

#21D1E7 is a strongly colored aqua cyan that carries an easy, daylight feel. In practice it works well for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is a near neighbor of COMS Blue (#21BDE5). Slightly further away sit Caribbean Blue (#1AC1DD) and be Supernormal. blue (#27BFF1).

Technically, the mix leans on its blue channel (rgb(33, 209, 231)), which gives #21D1E7 its character. Accessibility-wise, black text works best on #21D1E7: 11.3:1 contrast (passing WCAG AAA) versus 1.9:1 for white. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#21D1E7 color variations

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

#21D1E7 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 #21D1E7

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

#21D1E7 color backgrounds & wallpapers

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

Conversions between color systems and etc.

  • HEX#21D1E7
  • RGB33, 209, 231
  • CMYK78, 9, 0, 9
  • HSL187°, 80%, 52%
  • HSL Precise186.667°, 80.488%, 51.765%
  • HSV187°, 86%, 91%
  • HSB187°, 86%, 91%
  • HEX ID21D1E7
  • DECIMAL ID2216423
  • Name LengthThis color has no name
  • Color Family (Hue)Cyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB82%
  • Percentage of Blue in RGB90.6%
  • This page visited6 times
  • Counting from2025-01-01