#515E8B Color Information

Hex color code: #515E8B

The hex color #515E8B is a pastel blue with RGB values of (81, 94, 139) and HSL of (227°, 26%, 43%). It is frequently seen in web interfaces.

Try:
Color NameDark Slate Blue
HEX
#515E8B
RGB
81, 94, 139
HSL
227°, 26%, 43%
CMYK
42%, 32%, 0%, 45%

Shades

CSS Usage
color: #515E8B;
background-color: #515E8B;
border-color: #515E8B;
box-shadow: 0 0 10px #515E8B;
border: 2px solid #515E8B;
Tailwind Usage
bg-[#515E8B]
text-[#515E8B]
border-[#515E8B]
shadow-[0_0_10px_515E8B]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #515E8B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #515E8B; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #515E8B; 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 #515E8B; background-color: #515E8B15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #515E8B20; border-left: 4px solid #515E8B; }

Link / Accent

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

a { color: #515E8B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #515E8B in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

81, 94, 139

Red: 81 / Green: 94 / Blue: 139

HSL

227°, 26%, 43%

Hue: 227° / Saturation: 26% / Lightness: 43%

CMYK

42%, 32%, 0%, 45%

Cyan: 42% / Magenta: 32% / Yellow: 0% / Key: 45%

What color is #515E8B?

#515E8B is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #515E8B to RGB:

rgb(81, 94, 139)HEX to RGB Converter →

HEX to HSL

Convert #515E8B to HSL:

hsl(227, 26%, 43%)RGB to HSL Converter →

HEX to CMYK

Convert #515E8B to CMYK:

cmyk(42%, 32%, 0%, 45%)Color Converter →

Color Meaning and Usage

A subtle blue tone, #515E8B has RGB (81, 94, 139) and HSL (227°, 26%, 43%). Known for evoking creativity and luxury, this blue-purple hue is a common choice for dashboards and SaaS products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #515E8B is #8A7E51, creating high-contrast pairings. For softer combinations, try analogous colors like #517A8A.

Use #515E8B in CSS: color: #515E8B or background-color: #515E8B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #515E8B

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

Contrast Ratio: 3.32:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #515E8B?

#515E8B is a subtle blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #515E8B?

#515E8B in RGB is (81, 94, 139) - 81 red, 94 green, and 139 blue.

How to use #515E8B in CSS?

Use #515E8B directly in your CSS properties like color or background-color.

What colors go well with #515E8B?

#8A7E51 (complementary), #517A8A (analogous), and #353D5A (lighter shade) work well with #515E8B.