#645BA4 Color Information

Hex color code: #645BA4

The hex color #645BA4 is a pastel blue with RGB values of (100, 91, 164) and HSL of (247°, 29%, 50%). It is commonly used in modern UI design.

Try:

Color NameSlate Blue

HEX

#645BA4

RGB

100, 91, 164

HSL

247°, 29%, 50%

CMYK

39%, 45%, 0%, 36%

Shades

CSS Usage

color: #645BA4;
background-color: #645BA4;
border-color: #645BA4;
box-shadow: 0 0 10px #645BA4;
border: 2px solid #645BA4;

Tailwind Usage

bg-[#645BA4]
text-[#645BA4]
border-[#645BA4]
shadow-[0_0_10px_645BA4]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #645BA4, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #645BA4; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #645BA4; 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 #645BA4; background-color: #645BA415; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #645BA420; border-left: 4px solid #645BA4; }

Link / Accent

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

a { color: #645BA4; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #645BA4 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

100, 91, 164

Red: 100 / Green: 91 / Blue: 164

HSL

247°, 29%, 50%

Hue: 247° / Saturation: 29% / Lightness: 50%

CMYK

39%, 45%, 0%, 36%

Cyan: 39% / Magenta: 45% / Yellow: 0% / Key: 36%

What color is #645BA4?

#645BA4 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

9CA45B

Color Palette

HEX to RGB

Convert #645BA4 to RGB:

rgb(100, 91, 164)HEX to RGB Converter →

HEX to HSL

Convert #645BA4 to HSL:

hsl(247, 29%, 50%)RGB to HSL Converter →

HEX to CMYK

Convert #645BA4 to CMYK:

cmyk(39%, 45%, 0%, 36%)Color Converter →

Color Meaning and Usage

#645BA4 is a soft blue color with RGB values of 100, 91, 164 and HSL of 247°, 29%, 50%. This blue-purple hue evokes creativity and luxury, making it suitable for often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #645BA4 is #9CA45B, creating high-contrast pairings. For softer combinations, try analogous colors like #5B77A4.

Use #645BA4 in CSS: color: #645BA4 or background-color: #645BA4. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #645BA4

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

Contrast Ratio: 3.57:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #645BA4?

#645BA4 is a soft blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #645BA4?

#645BA4 in RGB is (100, 91, 164) - 100 red, 91 green, and 164 blue.

How to use #645BA4 in CSS?

Use #645BA4 directly in your CSS properties like color or background-color.

What colors go well with #645BA4?

#9CA45B (complementary), #5B77A4 (analogous), and #453F73 (lighter shade) work well with #645BA4.