#1B55AC Color Information

Hex color code: #1B55AC

The hex color #1B55AC is a striking blue with RGB values of (27, 85, 172) and HSL of (216°, 73%, 39%). It is often used for branding and logos.

Try:

Color NameDark Slate Blue

HEX

#1B55AC

RGB

27, 85, 172

HSL

216°, 73%, 39%

CMYK

84%, 51%, 0%, 33%

Shades

CSS Usage

color: #1B55AC;
background-color: #1B55AC;
border-color: #1B55AC;
box-shadow: 0 0 10px #1B55AC;
border: 2px solid #1B55AC;

Tailwind Usage

bg-[#1B55AC]
text-[#1B55AC]
border-[#1B55AC]
shadow-[0_0_10px_1B55AC]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #1B55AC, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1B55AC; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #1B55AC; 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 #1B55AC; background-color: #1B55AC15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #1B55AC20; border-left: 4px solid #1B55AC; }

Link / Accent

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

a { color: #1B55AC; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1B55AC in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

27, 85, 172

Red: 27 / Green: 85 / Blue: 172

HSL

216°, 73%, 39%

Hue: 216° / Saturation: 73% / Lightness: 39%

CMYK

84%, 51%, 0%, 33%

Cyan: 84% / Magenta: 51% / Yellow: 0% / Key: 33%

What color is #1B55AC?

#1B55AC is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

AC721B

Color Palette

HEX to RGB

Convert #1B55AC to RGB:

rgb(27, 85, 172)HEX to RGB Converter →

HEX to HSL

Convert #1B55AC to HSL:

hsl(216, 73%, 39%)RGB to HSL Converter →

HEX to CMYK

Convert #1B55AC to CMYK:

cmyk(84%, 51%, 0%, 33%)Color Converter →

Color Meaning and Usage

#1B55AC is a striking blue color with RGB values of 27, 85, 172 and HSL of 216°, 73%, 39%. This blue-purple hue evokes creativity and luxury, making it suitable for frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1B55AC is #AC721B, creating high-contrast pairings. For softer combinations, try analogous colors like #1B9EAC.

Use #1B55AC in CSS: color: #1B55AC or background-color: #1B55AC. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1B55AC

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

Contrast Ratio: 2.94:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1B55AC?

#1B55AC is a striking blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #1B55AC?

#1B55AC in RGB is (27, 85, 172) - 27 red, 85 green, and 172 blue.

How to use #1B55AC in CSS?

Use #1B55AC directly in your CSS properties like color or background-color.

What colors go well with #1B55AC?

#AC721B (complementary), #1B9EAC (analogous), and #11346A (lighter shade) work well with #1B55AC.