Cyan / Teal color · CSS named color

Dark Turquoise Color Code: #00CED1

The HEX code for Dark Turquoise is #00CED1. It is a medium-dark, vivid cyan color made of 0 red, 206 green and 209 blue (HSL 181°, 100%, 41%). Black text reads best on it (10.74:1 contrast).

Dark Turquoise color values

HEX #00CED1
RGB rgb(0, 206, 209)
HSL hsl(181, 100%, 41%)
HSV 181, 100%, 82%
HWB hwb(181 0% 18%)
CMYK 100%, 1%, 0%, 18%
Decimal 52945
CSS keyword darkturquoise
41%HSL lightness (medium-dark)
100%HSL saturation (vivid)
181°Hue angle (cyan)
0.487Relative luminance

CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.

What is Dark Turquoise?

Dark Turquoise is one of the named colors defined by the CSS Color specifications (keyword “darkturquoise”), so every modern browser understands it without a hex code.

Its hue angle of 181° places it in the cyan part of the color wheel, with 100% saturation (vivid) and 41% lightness (medium-dark). It is a cool color.

Compared with the other cyan / teal colors in the Aqeeb Studio library, it is lighter than 38% of them and more saturated than 62% of them.

Its relative luminance is 0.487, which makes it a light color. That is above the 0.179 crossover point at which black and white text have equal contrast, so black text has the advantage.

Dark Turquoise counts as a light color: its HSL lightness is 41% and its relative luminance is 0.487. Black text reads best on it (10.74:1 contrast).

Text contrast on Dark Turquoise

WCAG contrast of white and black text on Dark Turquoise
TextPreviewRatioAA normalAA largeAAA normalAAA large
White text Sample text 1.95:1 Poor Fail Fail Fail Fail
Black text Sample text 10.74:1 Excellent Pass Pass Pass Pass

Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.

Colors that go with Dark Turquoise

Complementary color

Complementary colors sit directly opposite each other on the color wheel (180° apart). They give the strongest hue contrast, which suits calls to action and accents.

Analogous colors

Analogous colors are neighbors on the wheel, 30° either side of the base hue. They blend smoothly and are easy to combine in backgrounds, gradients and illustrations.

Triadic colors

A triadic scheme uses three hues spaced 120° apart. It is lively yet balanced, and works best when one color leads and the other two act as accents.

Split-complementary colors

Split-complementary keeps the base color and uses the two colors on either side of its complement (150° and 210°). The contrast is strong but gentler than a direct complement.

Tetradic colors

A tetradic (rectangle) scheme combines two complementary pairs at 0°, 60°, 180° and 240°. It offers variety but needs one dominant color to stay balanced.

Monochromatic variants

Monochromatic variants keep the same hue and saturation and only change lightness, which makes them dependable for UI scales and subtle layered designs.

#004142#004142
#00888A#00888A
#00CED1#00CED1
#19FCFF#19FCFF
#61FDFF#61FDFF

A “≈” before a name means the exact harmony color has no named match, so the link goes to the closest named color.

Tints and shades of Dark Turquoise

Lighter tints (mixed with white)

Darker shades (mixed with black)

Select any swatch to copy its HEX code. Build longer scales with the tints and shades tool.

Where to use Dark Turquoise

  • Card, highlight and section backgrounds with dark text (10.74:1 contrast with black)
  • Accents that need to stand out: call-to-action buttons, charts and illustrations
  • Data-visualization series
  • Info states and links
  • Technology and water-themed graphics
  • Fresh accents against warm colors

Use Dark Turquoise in CSS

:root {
  --color-dark-turquoise: #00CED1;
}

.element {
  color: var(--color-dark-turquoise);
  background-color: #00CED1;
  border: 2px solid #00CED1;
}

Questions about Dark Turquoise

What is the HEX code for Dark Turquoise?

Dark Turquoise is #00CED1.

What is the RGB value of Dark Turquoise?

The RGB value of Dark Turquoise is 0, 206, 209: 0 red, 206 green and 209 blue on a 0–255 scale, written rgb(0, 206, 209) in CSS.

What is the HSL value of Dark Turquoise?

The HSL value of Dark Turquoise is 181°, 100%, 41% (hue, saturation, lightness), written hsl(181, 100%, 41%) in CSS.

What is the CMYK value of Dark Turquoise?

A standard conversion gives about C 100%, M 1%, Y 0%, K 18%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.

Is Dark Turquoise a light or dark color?

Dark Turquoise counts as a light color: its HSL lightness is 41% and its relative luminance is 0.487. Black text reads best on it (10.74:1 contrast).

How does Dark Turquoise look with white text?

White text on Dark Turquoise has a contrast ratio of 1.95:1, rated Poor. It falls below the WCAG minimum for text.

How does Dark Turquoise look with black text?

Black text on Dark Turquoise has a contrast ratio of 10.74:1, rated Excellent. It meets WCAG AA for normal text.

What colors go well with Dark Turquoise?

Tomato Red is its complementary color, and Seaweed sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.

Where can Dark Turquoise be used?

It suits card, highlight and section backgrounds with dark text (10.74:1 contrast with black); accents that need to stand out: call-to-action buttons, charts and illustrations; data-visualization series.

How do I use Dark Turquoise in CSS?

Use color: #00CED1; for text, background-color: #00CED1; for fills, or define a custom property such as --color-dark-turquoise: #00CED1; and reuse it with var(--color-dark-turquoise).

About this color page

CSS named color (W3C CSS Color Module). Values are calculated from the HEX code; color names are labels, not trademarks or standards unless stated. Screens render colors differently, so always check important colors on your own device. See the disclaimer.