#51577B Color Information

Hex color code: #51577B

A delicate blue shade, #51577B appears as (81, 87, 123) in RGB and (231°, 21%, 40%) in HSL. It is widely used in graphic design.

Try:

Color NameDark Slate Blue

HEX

#51577B

RGB

81, 87, 123

HSL

231°, 21%, 40%

CMYK

34%, 29%, 0%, 52%

Shades

CSS Usage

color: #51577B;
background-color: #51577B;
border-color: #51577B;
box-shadow: 0 0 10px #51577B;
border: 2px solid #51577B;

Tailwind Usage

bg-[#51577B]
text-[#51577B]
border-[#51577B]
shadow-[0_0_10px_51577B]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #51577B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #51577B; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #51577B; 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 #51577B; background-color: #51577B15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #51577B20; border-left: 4px solid #51577B; }

Link / Accent

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

a { color: #51577B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #51577B in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

81, 87, 123

Red: 81 / Green: 87 / Blue: 123

HSL

231°, 21%, 40%

Hue: 231° / Saturation: 21% / Lightness: 40%

CMYK

34%, 29%, 0%, 52%

Cyan: 34% / Magenta: 29% / Yellow: 0% / Key: 52%

What color is #51577B?

#51577B is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

7B7551

Color Palette

HEX to RGB

Convert #51577B to RGB:

rgb(81, 87, 123)HEX to RGB Converter →

HEX to HSL

Convert #51577B to HSL:

hsl(231, 21%, 40%)RGB to HSL Converter →

HEX to CMYK

Convert #51577B to CMYK:

cmyk(34%, 29%, 0%, 52%)Color Converter →

Color Meaning and Usage

A subtle blue tone, #51577B has RGB (81, 87, 123) and HSL (231°, 21%, 40%). Known for evoking creativity and luxury, this blue-purple hue is popular for illustrations and friendly visual themes. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #51577B is #7B7551, creating high-contrast pairings. For softer combinations, try analogous colors like #516C7B.

Use #51577B in CSS: color: #51577B or background-color: #51577B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #51577B

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

Contrast Ratio: 3.00:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #51577B?

#51577B is a subtle blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #51577B?

#51577B in RGB is (81, 87, 123) - 81 red, 87 green, and 123 blue.

How to use #51577B in CSS?

Use #51577B directly in your CSS properties like color or background-color.

What colors go well with #51577B?

#7B7551 (complementary), #516C7B (analogous), and #32364D (lighter shade) work well with #51577B.