#211818 Color Information

Hex color code: #211818

A rich red shade, #211818 appears as (33, 24, 24) in RGB and (0°, 16%, 11%) in HSL. It is popular in mobile app design.

Try:

Color NameBlack

HEX

#211818

RGB

33, 24, 24

HSL

0°, 16%, 11%

CMYK

0%, 27%, 27%, 87%

Shades

CSS Usage

color: #211818;
background-color: #211818;
border-color: #211818;
box-shadow: 0 0 10px #211818;
border: 2px solid #211818;

Tailwind Usage

bg-[#211818]
text-[#211818]
border-[#211818]
shadow-[0_0_10px_211818]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #211818, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #211818; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #211818; color: #FFFFFF; }

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 #211818; background-color: #21181815; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #21181820; border-left: 4px solid #211818; }

Link / Accent

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

a { color: #211818; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #211818 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

33, 24, 24

Red: 33 / Green: 24 / Blue: 24

HSL

0°, 16%, 11%

Hue: 0° / Saturation: 16% / Lightness: 11%

CMYK

0%, 27%, 27%, 87%

Cyan: 0% / Magenta: 27% / Yellow: 27% / Key: 87%

What color is #211818?

#211818 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

182121

Color Palette

HEX to RGB

Convert #211818 to RGB:

rgb(33, 24, 24)HEX to RGB Converter →

HEX to HSL

Convert #211818 to HSL:

hsl(0, 16%, 11%)RGB to HSL Converter →

HEX to CMYK

Convert #211818 to CMYK:

cmyk(0%, 27%, 27%, 87%)Color Converter →

Color Meaning and Usage

A dark red tone, #211818 has RGB (33, 24, 24) and HSL (0°, 16%, 11%). Known for evoking sophistication and elegance, this very dark shade is often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #211818 is #182121, creating high-contrast pairings. For softer combinations, try analogous colors like #21181C.

Use #211818 in CSS: color: #211818 or background-color: #211818. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #211818

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

Contrast Ratio: 1.21:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #211818?

#211818 is a dark red color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #211818?

#211818 in RGB is (33, 24, 24) - 33 red, 24 green, and 24 blue.

How to use #211818 in CSS?

Use #211818 directly in your CSS properties like color or background-color.

What colors go well with #211818?

#182121 (complementary), #21181C (analogous), and #000000 (lighter shade) work well with #211818.