#212131 Color Information

Hex color code: #212131

A intense blue shade, #212131 appears as (33, 33, 49) in RGB and (240°, 20%, 16%) in HSL. It is widely used in graphic design.

Try:
Color NameDark Slate Gray
HEX
#212131
RGB
33, 33, 49
HSL
240°, 20%, 16%
CMYK
33%, 33%, 0%, 81%

Shades

CSS Usage
color: #212131;
background-color: #212131;
border-color: #212131;
box-shadow: 0 0 10px #212131;
border: 2px solid #212131;
Tailwind Usage
bg-[#212131]
text-[#212131]
border-[#212131]
shadow-[0_0_10px_212131]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #212131, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #212131; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #212131; 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 #212131; background-color: #21213115; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #21213120; border-left: 4px solid #212131; }

Link / Accent

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

a { color: #212131; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #212131 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

33, 33, 49

Red: 33 / Green: 33 / Blue: 49

HSL

240°, 20%, 16%

Hue: 240° / Saturation: 20% / Lightness: 16%

CMYK

33%, 33%, 0%, 81%

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

What color is #212131?

#212131 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #212131 to RGB:

rgb(33, 33, 49)HEX to RGB Converter →

HEX to HSL

Convert #212131 to HSL:

hsl(240, 20%, 16%)RGB to HSL Converter →

HEX to CMYK

Convert #212131 to CMYK:

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

Color Meaning and Usage

#212131 is a dark blue color with RGB values of 33, 33, 49 and HSL of 240°, 20%, 16%. This very dark shade evokes sophistication and elegance, making it suitable for popular for illustrations and friendly visual themes. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #212131 is #313121, creating high-contrast pairings. For softer combinations, try analogous colors like #212931.

Use #212131 in CSS: color: #212131 or background-color: #212131. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #212131

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

Contrast Ratio: 1.33:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #212131?

#212131 is a dark blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #212131?

#212131 in RGB is (33, 33, 49) - 33 red, 33 green, and 49 blue.

How to use #212131 in CSS?

Use #212131 directly in your CSS properties like color or background-color.

What colors go well with #212131?

#313121 (complementary), #212931 (analogous), and #020203 (lighter shade) work well with #212131.