#21D4CB Color Information

Hex color code: #21D4CB

A striking cyan shade, #21D4CB appears as (33, 212, 203) in RGB and (177°, 73%, 48%) in HSL. It is often used for branding and logos.

Try:
Color NameTurquoise
HEX
#21D4CB
RGB
33, 212, 203
HSL
177°, 73%, 48%
CMYK
84%, 0%, 4%, 17%

Shades

CSS Usage
color: #21D4CB;
background-color: #21D4CB;
border-color: #21D4CB;
box-shadow: 0 0 10px #21D4CB;
border: 2px solid #21D4CB;
Tailwind Usage
bg-[#21D4CB]
text-[#21D4CB]
border-[#21D4CB]
shadow-[0_0_10px_21D4CB]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #21D4CB, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #21D4CB; color: #000000; }

Badge

New Feature
.badge { background-color: #21D4CB; 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 #21D4CB; background-color: #21D4CB15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #21D4CB20; border-left: 4px solid #21D4CB; }

Link / Accent

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

a { color: #21D4CB; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #21D4CB in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

33, 212, 203

Red: 33 / Green: 212 / Blue: 203

HSL

177°, 73%, 48%

Hue: 177° / Saturation: 73% / Lightness: 48%

CMYK

84%, 0%, 4%, 17%

Cyan: 84% / Magenta: 0% / Yellow: 4% / Key: 17%

What color is #21D4CB?

#21D4CB is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #21D4CB to RGB:

rgb(33, 212, 203)HEX to RGB Converter →

HEX to HSL

Convert #21D4CB to HSL:

hsl(177, 73%, 48%)RGB to HSL Converter →

HEX to CMYK

Convert #21D4CB to CMYK:

cmyk(84%, 0%, 4%, 17%)Color Converter →

Color Meaning and Usage

#21D4CB is a bold cyan color with RGB values of 33, 212, 203 and HSL of 177°, 73%, 48%. This cyan-blue hue evokes trust and professionalism, making it suitable for frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #21D4CB is #D4212A, creating high-contrast pairings. For softer combinations, try analogous colors like #21D471.

Use #21D4CB in CSS: color: #21D4CB or background-color: #21D4CB. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #21D4CB

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

Contrast Ratio: 11.34:1
WCAG AA: Pass
WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #21D4CB?

#21D4CB is a bold cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #21D4CB?

#21D4CB in RGB is (33, 212, 203) - 33 red, 212 green, and 203 blue.

How to use #21D4CB in CSS?

Use #21D4CB directly in your CSS properties like color or background-color.

What colors go well with #21D4CB?

#D4212A (complementary), #21D471 (analogous), and #17928B (lighter shade) work well with #21D4CB.