#1B4579 Color Information

Hex color code: #1B4579

#1B4579 is a serene blue color. In RGB it is (27, 69, 121), and in HSL it is (213°, 64%, 29%). It is popular in mobile app design.

Try:
Color NameDark Slate Gray
HEX
#1B4579
RGB
27, 69, 121
HSL
213°, 64%, 29%
CMYK
78%, 43%, 0%, 53%

Shades

CSS Usage
color: #1B4579;
background-color: #1B4579;
border-color: #1B4579;
box-shadow: 0 0 10px #1B4579;
border: 2px solid #1B4579;
Tailwind Usage
bg-[#1B4579]
text-[#1B4579]
border-[#1B4579]
shadow-[0_0_10px_1B4579]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #1B4579, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1B4579; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #1B4579; 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 #1B4579; background-color: #1B457915; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #1B457920; border-left: 4px solid #1B4579; }

Link / Accent

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

a { color: #1B4579; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1B4579 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

27, 69, 121

Red: 27 / Green: 69 / Blue: 121

HSL

213°, 64%, 29%

Hue: 213° / Saturation: 64% / Lightness: 29%

CMYK

78%, 43%, 0%, 53%

Cyan: 78% / Magenta: 43% / Yellow: 0% / Key: 53%

What color is #1B4579?

#1B4579 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #1B4579 to RGB:

rgb(27, 69, 121)HEX to RGB Converter →

HEX to HSL

Convert #1B4579 to HSL:

hsl(213, 64%, 29%)RGB to HSL Converter →

HEX to CMYK

Convert #1B4579 to CMYK:

cmyk(78%, 43%, 0%, 53%)Color Converter →

Color Meaning and Usage

#1B4579 is a tranquil blue color with RGB values of 27, 69, 121 and HSL of 213°, 64%, 29%. This blue-purple hue evokes creativity and luxury, making it suitable for well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1B4579 is #794F1B, creating high-contrast pairings. For softer combinations, try analogous colors like #1B7579.

Use #1B4579 in CSS: color: #1B4579 or background-color: #1B4579. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1B4579

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

Contrast Ratio: 2.17:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1B4579?

#1B4579 is a tranquil blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #1B4579?

#1B4579 in RGB is (27, 69, 121) - 27 red, 69 green, and 121 blue.

How to use #1B4579 in CSS?

Use #1B4579 directly in your CSS properties like color or background-color.

What colors go well with #1B4579?

#794F1B (complementary), #1B7579 (analogous), and #0D213B (lighter shade) work well with #1B4579.