#183C3F Color Information

Hex color code: #183C3F

#183C3F is a rich cyan color. In RGB it is (24, 60, 63), and in HSL it is (185°, 45%, 17%). It is popular in mobile app design.

Try:

Color NameDark Slate Gray

HEX

#183C3F

RGB

24, 60, 63

HSL

185°, 45%, 17%

CMYK

62%, 5%, 0%, 75%

Shades

CSS Usage

color: #183C3F;
background-color: #183C3F;
border-color: #183C3F;
box-shadow: 0 0 10px #183C3F;
border: 2px solid #183C3F;

Tailwind Usage

bg-[#183C3F]
text-[#183C3F]
border-[#183C3F]
shadow-[0_0_10px_183C3F]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #183C3F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #183C3F; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #183C3F; 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 #183C3F; background-color: #183C3F15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #183C3F20; border-left: 4px solid #183C3F; }

Link / Accent

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

a { color: #183C3F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #183C3F in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

24, 60, 63

Red: 24 / Green: 60 / Blue: 63

HSL

185°, 45%, 17%

Hue: 185° / Saturation: 45% / Lightness: 17%

CMYK

62%, 5%, 0%, 75%

Cyan: 62% / Magenta: 5% / Yellow: 0% / Key: 75%

What color is #183C3F?

#183C3F is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

3F1B18

Color Palette

HEX to RGB

Convert #183C3F to RGB:

rgb(24, 60, 63)HEX to RGB Converter →

HEX to HSL

Convert #183C3F to HSL:

hsl(185, 45%, 17%)RGB to HSL Converter →

HEX to CMYK

Convert #183C3F to CMYK:

cmyk(62%, 5%, 0%, 75%)Color Converter →

Color Meaning and Usage

#183C3F is a intense cyan color with RGB values of 24, 60, 63 and HSL of 185°, 45%, 17%. This very dark shade evokes sophistication and elegance, making it suitable for typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #183C3F is #3F1B18, creating high-contrast pairings. For softer combinations, try analogous colors like #183F2F.

Use #183C3F in CSS: color: #183C3F or background-color: #183C3F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #183C3F

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

Contrast Ratio: 1.76:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #183C3F?

#183C3F is a intense cyan color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #183C3F?

#183C3F in RGB is (24, 60, 63) - 24 red, 60 green, and 63 blue.

How to use #183C3F in CSS?

Use #183C3F directly in your CSS properties like color or background-color.

What colors go well with #183C3F?

#3F1B18 (complementary), #183F2F (analogous), and #030707 (lighter shade) work well with #183C3F.