#21B8BA Color Information

Hex color code: #21B8BA

The hex color #21B8BA is a cool cyan with RGB values of (33, 184, 186) and HSL of (181°, 70%, 43%). It is commonly used in modern UI design.

Try:

Color NameLight Sea Green

HEX

#21B8BA

RGB

33, 184, 186

HSL

181°, 70%, 43%

CMYK

82%, 1%, 0%, 27%

Shades

CSS Usage

color: #21B8BA;
background-color: #21B8BA;
border-color: #21B8BA;
box-shadow: 0 0 10px #21B8BA;
border: 2px solid #21B8BA;

Tailwind Usage

bg-[#21B8BA]
text-[#21B8BA]
border-[#21B8BA]
shadow-[0_0_10px_21B8BA]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #21B8BA, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #21B8BA; color: #000000; }

Badge

New Feature

.badge { background-color: #21B8BA; 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 #21B8BA; background-color: #21B8BA15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #21B8BA20; border-left: 4px solid #21B8BA; }

Link / Accent

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

a { color: #21B8BA; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #21B8BA in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

33, 184, 186

Red: 33 / Green: 184 / Blue: 186

HSL

181°, 70%, 43%

Hue: 181° / Saturation: 70% / Lightness: 43%

CMYK

82%, 1%, 0%, 27%

Cyan: 82% / Magenta: 1% / Yellow: 0% / Key: 27%

What color is #21B8BA?

#21B8BA is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

BA2321

Color Palette

HEX to RGB

Convert #21B8BA to RGB:

rgb(33, 184, 186)HEX to RGB Converter →

HEX to HSL

Convert #21B8BA to HSL:

hsl(181, 70%, 43%)RGB to HSL Converter →

HEX to CMYK

Convert #21B8BA to CMYK:

cmyk(82%, 1%, 0%, 27%)Color Converter →

Color Meaning and Usage

A serene cyan tone, #21B8BA has RGB (33, 184, 186) and HSL (181°, 70%, 43%). 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 #21B8BA is #BA2321, creating high-contrast pairings. For softer combinations, try analogous colors like #21BA70.

Use #21B8BA in CSS: color: #21B8BA or background-color: #21B8BA. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #21B8BA

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

Contrast Ratio: 8.63:1

WCAG AA: Pass

WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #21B8BA?

#21B8BA is a serene cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #21B8BA?

#21B8BA in RGB is (33, 184, 186) - 33 red, 184 green, and 186 blue.

How to use #21B8BA in CSS?

Use #21B8BA directly in your CSS properties like color or background-color.

What colors go well with #21B8BA?

#BA2321 (complementary), #21BA70 (analogous), and #157879 (lighter shade) work well with #21B8BA.