#646DB9 Color Information

Hex color code: #646DB9

The hex color #646DB9 is a gentle blue with RGB values of (100, 109, 185) and HSL of (234°, 38%, 56%). It is frequently seen in web interfaces.

Try:
Color NameSlate Blue
HEX
#646DB9
RGB
100, 109, 185
HSL
234°, 38%, 56%
CMYK
46%, 41%, 0%, 27%

Shades

CSS Usage
color: #646DB9;
background-color: #646DB9;
border-color: #646DB9;
box-shadow: 0 0 10px #646DB9;
border: 2px solid #646DB9;
Tailwind Usage
bg-[#646DB9]
text-[#646DB9]
border-[#646DB9]
shadow-[0_0_10px_646DB9]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #646DB9, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #646DB9; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #646DB9; 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 #646DB9; background-color: #646DB915; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #646DB920; border-left: 4px solid #646DB9; }

Link / Accent

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

a { color: #646DB9; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #646DB9 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

100, 109, 185

Red: 100 / Green: 109 / Blue: 185

HSL

234°, 38%, 56%

Hue: 234° / Saturation: 38% / Lightness: 56%

CMYK

46%, 41%, 0%, 27%

Cyan: 46% / Magenta: 41% / Yellow: 0% / Key: 27%

What color is #646DB9?

#646DB9 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #646DB9 to RGB:

rgb(100, 109, 185)HEX to RGB Converter →

HEX to HSL

Convert #646DB9 to HSL:

hsl(234, 38%, 56%)RGB to HSL Converter →

HEX to CMYK

Convert #646DB9 to CMYK:

cmyk(46%, 41%, 0%, 27%)Color Converter →

Color Meaning and Usage

A soft blue tone, #646DB9 has RGB (100, 109, 185) and HSL (234°, 38%, 56%). Known for evoking creativity and luxury, this blue-purple hue is typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #646DB9 is #B9B164, creating high-contrast pairings. For softer combinations, try analogous colors like #6497B9.

Use #646DB9 in CSS: color: #646DB9 or background-color: #646DB9. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #646DB9

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

Contrast Ratio: 4.43:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #646DB9?

#646DB9 is a soft blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #646DB9?

#646DB9 in RGB is (100, 109, 185) - 100 red, 109 green, and 185 blue.

How to use #646DB9 in CSS?

Use #646DB9 directly in your CSS properties like color or background-color.

What colors go well with #646DB9?

#B9B164 (complementary), #6497B9 (analogous), and #414990 (lighter shade) work well with #646DB9.