#213121 Color Information

Hex color code: #213121

#213121 is a dramatic green color. In RGB it is (33, 49, 33), and in HSL it is (120°, 20%, 16%). It is typically applied in digital products.

Try:

Color NameDark Slate Gray

HEX

#213121

RGB

33, 49, 33

HSL

120°, 20%, 16%

CMYK

33%, 0%, 33%, 81%

Shades

CSS Usage

color: #213121;
background-color: #213121;
border-color: #213121;
box-shadow: 0 0 10px #213121;
border: 2px solid #213121;

Tailwind Usage

bg-[#213121]
text-[#213121]
border-[#213121]
shadow-[0_0_10px_213121]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #213121, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #213121; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #213121; 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 #213121; background-color: #21312115; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #21312120; border-left: 4px solid #213121; }

Link / Accent

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

a { color: #213121; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #213121 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

33, 49, 33

Red: 33 / Green: 49 / Blue: 33

HSL

120°, 20%, 16%

Hue: 120° / Saturation: 20% / Lightness: 16%

CMYK

33%, 0%, 33%, 81%

Cyan: 33% / Magenta: 0% / Yellow: 33% / Key: 81%

What color is #213121?

#213121 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

312131

Color Palette

HEX to RGB

Convert #213121 to RGB:

rgb(33, 49, 33)HEX to RGB Converter →

HEX to HSL

Convert #213121 to HSL:

hsl(120, 20%, 16%)RGB to HSL Converter →

HEX to CMYK

Convert #213121 to CMYK:

cmyk(33%, 0%, 33%, 81%)Color Converter →

Color Meaning and Usage

#213121 is a dramatic green color with RGB values of 33, 49, 33 and HSL of 120°, 20%, 16%. This very dark shade evokes sophistication and elegance, making it suitable for a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #213121 is #312131, creating high-contrast pairings. For softer combinations, try analogous colors like #293121.

Use #213121 in CSS: color: #213121 or background-color: #213121. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #213121

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

Contrast Ratio: 1.53:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #213121?

#213121 is a dramatic green color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #213121?

#213121 in RGB is (33, 49, 33) - 33 red, 49 green, and 33 blue.

How to use #213121 in CSS?

Use #213121 directly in your CSS properties like color or background-color.

What colors go well with #213121?

#312131 (complementary), #293121 (analogous), and #020302 (lighter shade) work well with #213121.