#21C5D4 Color Information

Hex color code: #21C5D4

A dynamic cyan shade, #21C5D4 appears as (33, 197, 212) in RGB and (185°, 73%, 48%) in HSL. It is typically applied in digital products.

Try:

Color NameDark Turquoise

HEX

#21C5D4

RGB

33, 197, 212

HSL

185°, 73%, 48%

CMYK

84%, 7%, 0%, 17%

Shades

CSS Usage

color: #21C5D4;
background-color: #21C5D4;
border-color: #21C5D4;
box-shadow: 0 0 10px #21C5D4;
border: 2px solid #21C5D4;

Tailwind Usage

bg-[#21C5D4]
text-[#21C5D4]
border-[#21C5D4]
shadow-[0_0_10px_21C5D4]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #21C5D4, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #21C5D4; color: #000000; }

Badge

New Feature

.badge { background-color: #21C5D4; 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 #21C5D4; background-color: #21C5D415; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #21C5D420; border-left: 4px solid #21C5D4; }

Link / Accent

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

a { color: #21C5D4; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #21C5D4 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

33, 197, 212

Red: 33 / Green: 197 / Blue: 212

HSL

185°, 73%, 48%

Hue: 185° / Saturation: 73% / Lightness: 48%

CMYK

84%, 7%, 0%, 17%

Cyan: 84% / Magenta: 7% / Yellow: 0% / Key: 17%

What color is #21C5D4?

#21C5D4 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

D43021

Color Palette

HEX to RGB

Convert #21C5D4 to RGB:

rgb(33, 197, 212)HEX to RGB Converter →

HEX to HSL

Convert #21C5D4 to HSL:

hsl(185, 73%, 48%)RGB to HSL Converter →

HEX to CMYK

Convert #21C5D4 to CMYK:

cmyk(84%, 7%, 0%, 17%)Color Converter →

Color Meaning and Usage

A dynamic cyan tone, #21C5D4 has RGB (33, 197, 212) and HSL (185°, 73%, 48%). Known for evoking trust and professionalism, this cyan-blue hue is well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #21C5D4 is #D43021, creating high-contrast pairings. For softer combinations, try analogous colors like #21D489.

Use #21C5D4 in CSS: color: #21C5D4 or background-color: #21C5D4. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #21C5D4

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

Contrast Ratio: 10.00:1

WCAG AA: Pass

WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #21C5D4?

#21C5D4 is a dynamic cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #21C5D4?

#21C5D4 in RGB is (33, 197, 212) - 33 red, 197 green, and 212 blue.

How to use #21C5D4 in CSS?

Use #21C5D4 directly in your CSS properties like color or background-color.

What colors go well with #21C5D4?

#D43021 (complementary), #21D489 (analogous), and #178792 (lighter shade) work well with #21C5D4.