#313121 Color Information

Hex color code: #313121

The hex color #313121 is a deep yellow with RGB values of (49, 49, 33) and HSL of (60°, 20%, 16%). It is commonly used in modern UI design.

Try:
Color NameDark Slate Gray
HEX
#313121
RGB
49, 49, 33
HSL
60°, 20%, 16%
CMYK
0%, 0%, 33%, 81%

Shades

CSS Usage
color: #313121;
background-color: #313121;
border-color: #313121;
box-shadow: 0 0 10px #313121;
border: 2px solid #313121;
Tailwind Usage
bg-[#313121]
text-[#313121]
border-[#313121]
shadow-[0_0_10px_313121]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #313121, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #313121; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #313121; 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 #313121; background-color: #31312115; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #31312120; border-left: 4px solid #313121; }

Link / Accent

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

a { color: #313121; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #313121 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

49, 49, 33

Red: 49 / Green: 49 / Blue: 33

HSL

60°, 20%, 16%

Hue: 60° / Saturation: 20% / Lightness: 16%

CMYK

0%, 0%, 33%, 81%

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

What color is #313121?

#313121 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #313121 to RGB:

rgb(49, 49, 33)HEX to RGB Converter →

HEX to HSL

Convert #313121 to HSL:

hsl(60, 20%, 16%)RGB to HSL Converter →

HEX to CMYK

Convert #313121 to CMYK:

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

Color Meaning and Usage

A rich yellow tone, #313121 has RGB (49, 49, 33) and HSL (60°, 20%, 16%). Known for evoking sophistication and elegance, this very dark shade is often used for branding and logos. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #313121 is #212131, creating high-contrast pairings. For softer combinations, try analogous colors like #312921.

Use #313121 in CSS: color: #313121 or background-color: #313121. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #313121

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

Contrast Ratio: 1.59:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #313121?

#313121 is a rich yellow color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #313121?

#313121 in RGB is (49, 49, 33) - 49 red, 49 green, and 33 blue.

How to use #313121 in CSS?

Use #313121 directly in your CSS properties like color or background-color.

What colors go well with #313121?

#212131 (complementary), #312921 (analogous), and #030302 (lighter shade) work well with #313121.