#183F31 Color Information

Hex color code: #183F31

A deep cyan shade, #183F31 appears as (24, 63, 49) in RGB and (158°, 45%, 17%) in HSL. It is commonly used in modern UI design.

Try:

Color NameDark Slate Gray

HEX

#183F31

RGB

24, 63, 49

HSL

158°, 45%, 17%

CMYK

62%, 0%, 22%, 75%

Shades

CSS Usage

color: #183F31;
background-color: #183F31;
border-color: #183F31;
box-shadow: 0 0 10px #183F31;
border: 2px solid #183F31;

Tailwind Usage

bg-[#183F31]
text-[#183F31]
border-[#183F31]
shadow-[0_0_10px_183F31]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #183F31, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #183F31; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #183F31; 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 #183F31; background-color: #183F3115; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #183F3120; border-left: 4px solid #183F31; }

Link / Accent

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

a { color: #183F31; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #183F31 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

24, 63, 49

Red: 24 / Green: 63 / Blue: 49

HSL

158°, 45%, 17%

Hue: 158° / Saturation: 45% / Lightness: 17%

CMYK

62%, 0%, 22%, 75%

Cyan: 62% / Magenta: 0% / Yellow: 22% / Key: 75%

What color is #183F31?

#183F31 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

3F1826

Color Palette

HEX to RGB

Convert #183F31 to RGB:

rgb(24, 63, 49)HEX to RGB Converter →

HEX to HSL

Convert #183F31 to HSL:

hsl(158, 45%, 17%)RGB to HSL Converter →

HEX to CMYK

Convert #183F31 to CMYK:

cmyk(62%, 0%, 22%, 75%)Color Converter →

Color Meaning and Usage

#183F31 is a dark cyan color with RGB values of 24, 63, 49 and HSL of 158°, 45%, 17%. This very dark shade evokes sophistication and elegance, making it suitable for popular in mobile app design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #183F31 is #3F1826, creating high-contrast pairings. For softer combinations, try analogous colors like #183F1D.

Use #183F31 in CSS: color: #183F31 or background-color: #183F31. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #183F31

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

Contrast Ratio: 1.79:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #183F31?

#183F31 is a dark cyan color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #183F31?

#183F31 in RGB is (24, 63, 49) - 24 red, 63 green, and 49 blue.

How to use #183F31 in CSS?

Use #183F31 directly in your CSS properties like color or background-color.

What colors go well with #183F31?

#3F1826 (complementary), #183F1D (analogous), and #030706 (lighter shade) work well with #183F31.