#37393F Color Information

Hex color code: #37393F

The hex color #37393F is a deep blue with RGB values of (55, 57, 63) and HSL of (225°, 7%, 23%). It is commonly used in modern UI design.

Try:

Color NameDark Slate Gray

HEX

#37393F

RGB

55, 57, 63

HSL

225°, 7%, 23%

CMYK

13%, 10%, 0%, 75%

Shades

CSS Usage

color: #37393F;
background-color: #37393F;
border-color: #37393F;
box-shadow: 0 0 10px #37393F;
border: 2px solid #37393F;

Tailwind Usage

bg-[#37393F]
text-[#37393F]
border-[#37393F]
shadow-[0_0_10px_37393F]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #37393F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #37393F; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #37393F; 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 #37393F; background-color: #37393F15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #37393F20; border-left: 4px solid #37393F; }

Link / Accent

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

a { color: #37393F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #37393F in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

55, 57, 63

Red: 55 / Green: 57 / Blue: 63

HSL

225°, 7%, 23%

Hue: 225° / Saturation: 7% / Lightness: 23%

CMYK

13%, 10%, 0%, 75%

Cyan: 13% / Magenta: 10% / Yellow: 0% / Key: 75%

What color is #37393F?

#37393F is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

3F3D37

Color Palette

HEX to RGB

Convert #37393F to RGB:

rgb(55, 57, 63)HEX to RGB Converter →

HEX to HSL

Convert #37393F to HSL:

hsl(225, 7%, 23%)RGB to HSL Converter →

HEX to CMYK

Convert #37393F to CMYK:

cmyk(13%, 10%, 0%, 75%)Color Converter →

Color Meaning and Usage

A deep blue tone, #37393F has RGB (55, 57, 63) and HSL (225°, 7%, 23%). Known for evoking balance and subtlety, this desaturated neutral is often used for branding and logos. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #37393F is #3F3D37, creating high-contrast pairings. For softer combinations, try analogous colors like #373D3F.

Use #37393F in CSS: color: #37393F or background-color: #37393F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #37393F

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

Contrast Ratio: 1.82:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #37393F?

#37393F is a deep blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #37393F?

#37393F in RGB is (55, 57, 63) - 55 red, 57 green, and 63 blue.

How to use #37393F in CSS?

Use #37393F directly in your CSS properties like color or background-color.

What colors go well with #37393F?

#3F3D37 (complementary), #373D3F (analogous), and #131416 (lighter shade) work well with #37393F.