#515BB3 Color Information

Hex color code: #515BB3

A soft blue shade, #515BB3 appears as (81, 91, 179) in RGB and (234°, 39%, 51%) in HSL. It is widely used in graphic design.

Try:
Color NameSlate Blue
HEX
#515BB3
RGB
81, 91, 179
HSL
234°, 39%, 51%
CMYK
55%, 49%, 0%, 30%

Shades

CSS Usage
color: #515BB3;
background-color: #515BB3;
border-color: #515BB3;
box-shadow: 0 0 10px #515BB3;
border: 2px solid #515BB3;
Tailwind Usage
bg-[#515BB3]
text-[#515BB3]
border-[#515BB3]
shadow-[0_0_10px_515BB3]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #515BB3, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #515BB3; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #515BB3; 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 #515BB3; background-color: #515BB315; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #515BB320; border-left: 4px solid #515BB3; }

Link / Accent

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

a { color: #515BB3; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #515BB3 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

81, 91, 179

Red: 81 / Green: 91 / Blue: 179

HSL

234°, 39%, 51%

Hue: 234° / Saturation: 39% / Lightness: 51%

CMYK

55%, 49%, 0%, 30%

Cyan: 55% / Magenta: 49% / Yellow: 0% / Key: 30%

What color is #515BB3?

#515BB3 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #515BB3 to RGB:

rgb(81, 91, 179)HEX to RGB Converter →

HEX to HSL

Convert #515BB3 to HSL:

hsl(234, 39%, 51%)RGB to HSL Converter →

HEX to CMYK

Convert #515BB3 to CMYK:

cmyk(55%, 49%, 0%, 30%)Color Converter →

Color Meaning and Usage

A soft blue tone, #515BB3 has RGB (81, 91, 179) and HSL (234°, 39%, 51%). Known for evoking creativity and luxury, this blue-purple hue is well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #515BB3 is #B3A951, creating high-contrast pairings. For softer combinations, try analogous colors like #518CB3.

Use #515BB3 in CSS: color: #515BB3 or background-color: #515BB3. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #515BB3

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

Contrast Ratio: 3.50:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #515BB3?

#515BB3 is a soft blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #515BB3?

#515BB3 in RGB is (81, 91, 179) - 81 red, 91 green, and 179 blue.

How to use #515BB3 in CSS?

Use #515BB3 directly in your CSS properties like color or background-color.

What colors go well with #515BB3?

#B3A951 (complementary), #518CB3 (analogous), and #383F80 (lighter shade) work well with #515BB3.