#304C78 Color Information

Hex color code: #304C78

The hex color #304C78 is a subtle blue with RGB values of (48, 76, 120) and HSL of (217°, 43%, 33%). It is popular in mobile app design.

Try:

Color NameDark Slate Blue

HEX

#304C78

RGB

48, 76, 120

HSL

217°, 43%, 33%

CMYK

60%, 37%, 0%, 53%

Shades

CSS Usage

color: #304C78;
background-color: #304C78;
border-color: #304C78;
box-shadow: 0 0 10px #304C78;
border: 2px solid #304C78;

Tailwind Usage

bg-[#304C78]
text-[#304C78]
border-[#304C78]
shadow-[0_0_10px_304C78]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #304C78, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #304C78; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #304C78; 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 #304C78; background-color: #304C7815; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #304C7820; border-left: 4px solid #304C78; }

Link / Accent

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

a { color: #304C78; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #304C78 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

48, 76, 120

Red: 48 / Green: 76 / Blue: 120

HSL

217°, 43%, 33%

Hue: 217° / Saturation: 43% / Lightness: 33%

CMYK

60%, 37%, 0%, 53%

Cyan: 60% / Magenta: 37% / Yellow: 0% / Key: 53%

What color is #304C78?

#304C78 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

785D30

Color Palette

HEX to RGB

Convert #304C78 to RGB:

rgb(48, 76, 120)HEX to RGB Converter →

HEX to HSL

Convert #304C78 to HSL:

hsl(217, 43%, 33%)RGB to HSL Converter →

HEX to CMYK

Convert #304C78 to CMYK:

cmyk(60%, 37%, 0%, 53%)Color Converter →

Color Meaning and Usage

A gentle blue tone, #304C78 has RGB (48, 76, 120) and HSL (217°, 43%, 33%). Known for evoking creativity and luxury, this blue-purple hue is commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #304C78 is #785D30, creating high-contrast pairings. For softer combinations, try analogous colors like #307078.

Use #304C78 in CSS: color: #304C78 or background-color: #304C78. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #304C78

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

Contrast Ratio: 2.43:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #304C78?

#304C78 is a gentle blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #304C78?

#304C78 in RGB is (48, 76, 120) - 48 red, 76 green, and 120 blue.

How to use #304C78 in CSS?

Use #304C78 directly in your CSS properties like color or background-color.

What colors go well with #304C78?

#785D30 (complementary), #307078 (analogous), and #1A2942 (lighter shade) work well with #304C78.