#373C3F Color Information

Hex color code: #373C3F

A dramatic blue shade, #373C3F appears as (55, 60, 63) in RGB and (203°, 7%, 23%) in HSL. It is typically applied in digital products.

Try:

Color NameDark Slate Gray

HEX

#373C3F

RGB

55, 60, 63

HSL

203°, 7%, 23%

CMYK

13%, 5%, 0%, 75%

Shades

CSS Usage

color: #373C3F;
background-color: #373C3F;
border-color: #373C3F;
box-shadow: 0 0 10px #373C3F;
border: 2px solid #373C3F;

Tailwind Usage

bg-[#373C3F]
text-[#373C3F]
border-[#373C3F]
shadow-[0_0_10px_373C3F]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #373C3F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #373C3F; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #373C3F; 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 #373C3F; background-color: #373C3F15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #373C3F20; border-left: 4px solid #373C3F; }

Link / Accent

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

a { color: #373C3F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #373C3F in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

55, 60, 63

Red: 55 / Green: 60 / Blue: 63

HSL

203°, 7%, 23%

Hue: 203° / Saturation: 7% / Lightness: 23%

CMYK

13%, 5%, 0%, 75%

Cyan: 13% / Magenta: 5% / Yellow: 0% / Key: 75%

What color is #373C3F?

#373C3F is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

3F3A37

Color Palette

HEX to RGB

Convert #373C3F to RGB:

rgb(55, 60, 63)HEX to RGB Converter →

HEX to HSL

Convert #373C3F to HSL:

hsl(203, 7%, 23%)RGB to HSL Converter →

HEX to CMYK

Convert #373C3F to CMYK:

cmyk(13%, 5%, 0%, 75%)Color Converter →

Color Meaning and Usage

A dark blue tone, #373C3F has RGB (55, 60, 63) and HSL (203°, 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 #373C3F is #3F3A37, creating high-contrast pairings. For softer combinations, try analogous colors like #373F3E.

Use #373C3F in CSS: color: #373C3F or background-color: #373C3F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #373C3F

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

Contrast Ratio: 1.88:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #373C3F?

#373C3F is a dark blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #373C3F?

#373C3F in RGB is (55, 60, 63) - 55 red, 60 green, and 63 blue.

How to use #373C3F in CSS?

Use #373C3F directly in your CSS properties like color or background-color.

What colors go well with #373C3F?

#3F3A37 (complementary), #373F3E (analogous), and #131516 (lighter shade) work well with #373C3F.