#183C53 Color Information

Hex color code: #183C53

The hex color #183C53 is a dark blue with RGB values of (24, 60, 83) and HSL of (203°, 55%, 21%). It is frequently seen in web interfaces.

Try:

Color NameDark Slate Gray

HEX

#183C53

RGB

24, 60, 83

HSL

203°, 55%, 21%

CMYK

71%, 28%, 0%, 67%

Shades

CSS Usage

color: #183C53;
background-color: #183C53;
border-color: #183C53;
box-shadow: 0 0 10px #183C53;
border: 2px solid #183C53;

Tailwind Usage

bg-[#183C53]
text-[#183C53]
border-[#183C53]
shadow-[0_0_10px_183C53]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #183C53, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #183C53; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #183C53; 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 #183C53; background-color: #183C5315; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #183C5320; border-left: 4px solid #183C53; }

Link / Accent

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

a { color: #183C53; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #183C53 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

24, 60, 83

Red: 24 / Green: 60 / Blue: 83

HSL

203°, 55%, 21%

Hue: 203° / Saturation: 55% / Lightness: 21%

CMYK

71%, 28%, 0%, 67%

Cyan: 71% / Magenta: 28% / Yellow: 0% / Key: 67%

What color is #183C53?

#183C53 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

532F18

Color Palette

HEX to RGB

Convert #183C53 to RGB:

rgb(24, 60, 83)HEX to RGB Converter →

HEX to HSL

Convert #183C53 to HSL:

hsl(203, 55%, 21%)RGB to HSL Converter →

HEX to CMYK

Convert #183C53 to CMYK:

cmyk(71%, 28%, 0%, 67%)Color Converter →

Color Meaning and Usage

#183C53 is a dramatic blue color with RGB values of 24, 60, 83 and HSL of 203°, 55%, 21%. This cyan-blue hue evokes trust and professionalism, making it suitable for often used for branding and logos. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #183C53 is #532F18, creating high-contrast pairings. For softer combinations, try analogous colors like #18534C.

Use #183C53 in CSS: color: #183C53 or background-color: #183C53. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #183C53

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

Contrast Ratio: 1.81:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #183C53?

#183C53 is a dramatic blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #183C53?

#183C53 in RGB is (24, 60, 83) - 24 red, 60 green, and 83 blue.

How to use #183C53 in CSS?

Use #183C53 directly in your CSS properties like color or background-color.

What colors go well with #183C53?

#532F18 (complementary), #18534C (analogous), and #071118 (lighter shade) work well with #183C53.