#37151B Color Information

Hex color code: #37151B

A intense red shade, #37151B appears as (55, 21, 27) in RGB and (349°, 45%, 15%) in HSL. It is widely used in graphic design.

Try:

Color NameBlack

HEX

#37151B

RGB

55, 21, 27

HSL

349°, 45%, 15%

CMYK

0%, 62%, 51%, 78%

Shades

CSS Usage

color: #37151B;
background-color: #37151B;
border-color: #37151B;
box-shadow: 0 0 10px #37151B;
border: 2px solid #37151B;

Tailwind Usage

bg-[#37151B]
text-[#37151B]
border-[#37151B]
shadow-[0_0_10px_37151B]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #37151B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #37151B; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #37151B; 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 #37151B; background-color: #37151B15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #37151B20; border-left: 4px solid #37151B; }

Link / Accent

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

a { color: #37151B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #37151B in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

55, 21, 27

Red: 55 / Green: 21 / Blue: 27

HSL

349°, 45%, 15%

Hue: 349° / Saturation: 45% / Lightness: 15%

CMYK

0%, 62%, 51%, 78%

Cyan: 0% / Magenta: 62% / Yellow: 51% / Key: 78%

What color is #37151B?

#37151B is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

153731

Color Palette

HEX to RGB

Convert #37151B to RGB:

rgb(55, 21, 27)HEX to RGB Converter →

HEX to HSL

Convert #37151B to HSL:

hsl(349, 45%, 15%)RGB to HSL Converter →

HEX to CMYK

Convert #37151B to CMYK:

cmyk(0%, 62%, 51%, 78%)Color Converter →

Color Meaning and Usage

A dark red tone, #37151B has RGB (55, 21, 27) and HSL (349°, 45%, 15%). Known for evoking sophistication and elegance, this very dark shade is typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #37151B is #153731, creating high-contrast pairings. For softer combinations, try analogous colors like #37152D.

Use #37151B in CSS: color: #37151B or background-color: #37151B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #37151B

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

Contrast Ratio: 1.29:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #37151B?

#37151B is a dark red color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #37151B?

#37151B in RGB is (55, 21, 27) - 55 red, 21 green, and 27 blue.

How to use #37151B in CSS?

Use #37151B directly in your CSS properties like color or background-color.

What colors go well with #37151B?

#153731 (complementary), #37152D (analogous), and #000000 (lighter shade) work well with #37151B.