#21D4D4 Color Information

Hex color code: #21D4D4

The hex color #21D4D4 is a vivid cyan with RGB values of (33, 212, 212) and HSL of (180°, 73%, 48%). It is commonly used in modern UI design.

Try:

Color NameTurquoise

HEX

#21D4D4

RGB

33, 212, 212

HSL

180°, 73%, 48%

CMYK

84%, 0%, 0%, 17%

Shades

CSS Usage

color: #21D4D4;
background-color: #21D4D4;
border-color: #21D4D4;
box-shadow: 0 0 10px #21D4D4;
border: 2px solid #21D4D4;

Tailwind Usage

bg-[#21D4D4]
text-[#21D4D4]
border-[#21D4D4]
shadow-[0_0_10px_21D4D4]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #21D4D4, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #21D4D4; color: #000000; }

Badge

New Feature

.badge { background-color: #21D4D4; color: #000000; }

Text Highlight

The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.

Card

Card Title

This card uses your color as a border accent.

.card-accent { border: 2px solid #21D4D4; background-color: #21D4D415; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #21D4D420; border-left: 4px solid #21D4D4; }

Link / Accent

This is a paragraph with a link using your color. The color can be applied to interactive elements.

a { color: #21D4D4; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #21D4D4 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

33, 212, 212

Red: 33 / Green: 212 / Blue: 212

HSL

180°, 73%, 48%

Hue: 180° / Saturation: 73% / Lightness: 48%

CMYK

84%, 0%, 0%, 17%

Cyan: 84% / Magenta: 0% / Yellow: 0% / Key: 17%

What color is #21D4D4?

#21D4D4 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

D42121

Color Palette

HEX to RGB

Convert #21D4D4 to RGB:

rgb(33, 212, 212)HEX to RGB Converter →

HEX to HSL

Convert #21D4D4 to HSL:

hsl(180, 73%, 48%)RGB to HSL Converter →

HEX to CMYK

Convert #21D4D4 to CMYK:

cmyk(84%, 0%, 0%, 17%)Color Converter →

Color Meaning and Usage

A eye-catching cyan tone, #21D4D4 has RGB (33, 212, 212) and HSL (180°, 73%, 48%). Known for evoking trust and professionalism, this cyan-blue hue is often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #21D4D4 is #D42121, creating high-contrast pairings. For softer combinations, try analogous colors like #21D47A.

Use #21D4D4 in CSS: color: #21D4D4 or background-color: #21D4D4. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #21D4D4

Sample text on this color - The quick brown fox jumps over the lazy dog.

Contrast Ratio: 11.43:1

WCAG AA: Pass

WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #21D4D4?

#21D4D4 is a eye-catching cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #21D4D4?

#21D4D4 in RGB is (33, 212, 212) - 33 red, 212 green, and 212 blue.

How to use #21D4D4 in CSS?

Use #21D4D4 directly in your CSS properties like color or background-color.

What colors go well with #21D4D4?

#D42121 (complementary), #21D47A (analogous), and #179292 (lighter shade) work well with #21D4D4.