Cyan

Turquoise

#40E0D0
HEX
#40E0D0
RGB
rgb(64, 224, 208)
HSL
hsl(174, 72%, 56%)

Cyan family

About Turquoise

Turquoise (#40E0D0) is a medium, vivid cyan. Cyan blends blue's calm with green's freshness, evoking clear water and open skies with a crisp, modern, slightly techy feel.

Psychology

Cyan feels clean, refreshing and clear-headed. It suggests clarity, innovation and cool efficiency, and it is less heavy than deep blue while still reading as calm and trustworthy.

Applications

Cyan and teal are staples of tech, travel, healthcare and aquatic brands. They are excellent for gradients, links, accents and data visualizations, and pair beautifully with navy, white and warm neutrals.

History

Cyan has long been a secondary hue in printing; together with magenta, yellow and black it forms the CMYK process that reproduces full-color images. Its modern popularity grew with digital displays and tech branding.

Meaning

Cyan is associated with clarity, freshness and modernity. It can evoke tropical water, cool air and precision, making it a favorite for brands that want to feel clean and contemporary.

Why use this color

Use cyan when you want a design to feel fresh, modern and trustworthy without the formality of navy. It is ideal for tech, health and travel brands and for crisp UI accents.

Accessibility

Against white, #40E0D0 has a 1.6:1 contrast ratio; against black it is 12.8:1. Black text on #40E0D0 meets WCAG AA for normal text.

Fun facts

  • Cyan is one of the three primary colors of the CMYK printing process.
  • The word cyan comes from the Greek kyanos, meaning dark blue.
  • Cyan ink, together with magenta and yellow, can reproduce most printed colors.

Shades, tints & tones

Variations

Ten lightness steps plus Turquoise's tints, shades and tones — every swatch copies its hex on click.

Lightness scale

Tints (toward white)

Shades (toward black)

Tones (toward gray)

Color theory

Color harmonies

Proven schemes built around Turquoise. Each swatch is one click from your clipboard.

Complementary

#3ee0cf#e03e4e

Analogous

#3ee07f#3ee0cf#3e9fe0

Triadic

#3ee0cf#cf3ee0#e0cf3e

Split-complementary

#3ee0cf#e03e9f#e07f3e

Tetradic

#3ee0cf#7f3ee0#e03e4e#9fe03e

Monochromatic

#0b423c#178c81#24dbc9#73e8dc#bdf4ef

Accessibility

Blindness simulator

See how Turquoise is perceived with common types of color vision deficiency.

#40E0D0

Normal vision

Standard trichromatic vision, shown for reference.

#d5d3d0

Protanopia

Red-blind. Reds look darker and can be confused with greens and browns.

#bec3d2

Deuteranopia

Green-blind. Greens look muted and can be confused with reds and browns.

#00e5db

Tritanopia

Blue-blind. Blues look greenish and yellows fade toward pink.

#cacaca

Achromatopsia

Complete color blindness. Everything is seen in shades of gray.

WCAG

Contrast checker

How Turquoise performs against black and white text, with WCAG AA and AAA ratings.

AaWhite on Turquoise
1.64:1
AAAAAAA LargeAAA Large
AaBlack on Turquoise
12.79:1
AAAAAAA LargeAAA Large

The ratio is identical whether Turquoise is used as the text or the background.

Open the full checker

Ready to use

Color palettes

Curated palettes that put Turquoise to work, with copy-all support for each.

Complementary

Roughly 180° across the wheel from #40E0D0 (hue 174°) sits #e03e4e, held together by the #b1ede7 tint and the neutrals #f4f4f5 and #18181b.

Analogous

#40E0D0 with its two closest neighbours, #3ee07f and #3e9fe0, for a 72%-saturation run that stays inside one family; #b1ede7 and #16887d add depth without breaking it.

Triadic

#40E0D0 plus #cf3ee0 and #e0cf3e, a triangle that sits 120° apart at every corner, with #f4f4f5 and #18181b doing the quiet work underneath.

Monochromatic

One hue at 5 lightness steps: #edfcfb through #041a18, starting from #40E0D0 at 56% lightness.

Turquoise (#40E0D0) is a cyan-family color. Use its values, variations, harmonies and palettes above to put it to work in your next design.

Frequently asked questions

Turquoise is #40E0D0 — rgb(64, 224, 208) / hsl(174, 72%, 56%). Turquoise (#40E0D0) is a medium, vivid cyan. Cyan blends blue's calm with green's freshness, evoking clear water and open skies with a crisp, modern, slightly techy feel.

Good to know

  • Turquoise is one of 609 named colors in the library.
  • Its complementary hue sits 180° away on the color wheel: #e03e4e.

More color tools

Next steps for Turquoise: each of these picks the value up where this page leaves off, so nothing gets retyped or re-uploaded.