#646DB4 Color Information

Hex color code: #646DB4

The hex color #646DB4 is a subtle blue with RGB values of (100, 109, 180) and HSL of (233°, 35%, 55%). It is often used for branding and logos.

Try:
Color NameSlate Blue
HEX
#646DB4
RGB
100, 109, 180
HSL
233°, 35%, 55%
CMYK
44%, 39%, 0%, 29%

Shades

CSS Usage
color: #646DB4;
background-color: #646DB4;
border-color: #646DB4;
box-shadow: 0 0 10px #646DB4;
border: 2px solid #646DB4;
Tailwind Usage
bg-[#646DB4]
text-[#646DB4]
border-[#646DB4]
shadow-[0_0_10px_646DB4]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #646DB4, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #646DB4; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #646DB4; 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 #646DB4; background-color: #646DB415; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #646DB420; border-left: 4px solid #646DB4; }

Link / Accent

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

a { color: #646DB4; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #646DB4 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

100, 109, 180

Red: 100 / Green: 109 / Blue: 180

HSL

233°, 35%, 55%

Hue: 233° / Saturation: 35% / Lightness: 55%

CMYK

44%, 39%, 0%, 29%

Cyan: 44% / Magenta: 39% / Yellow: 0% / Key: 29%

What color is #646DB4?

#646DB4 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #646DB4 to RGB:

rgb(100, 109, 180)HEX to RGB Converter →

HEX to HSL

Convert #646DB4 to HSL:

hsl(233, 35%, 55%)RGB to HSL Converter →

HEX to CMYK

Convert #646DB4 to CMYK:

cmyk(44%, 39%, 0%, 29%)Color Converter →

Color Meaning and Usage

#646DB4 is a gentle blue color with RGB values of 100, 109, 180 and HSL of 233°, 35%, 55%. 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 #646DB4 is #B4AB64, creating high-contrast pairings. For softer combinations, try analogous colors like #6496B4.

Use #646DB4 in CSS: color: #646DB4 or background-color: #646DB4. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #646DB4

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

Contrast Ratio: 4.39:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #646DB4?

#646DB4 is a gentle blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #646DB4?

#646DB4 in RGB is (100, 109, 180) - 100 red, 109 green, and 180 blue.

How to use #646DB4 in CSS?

Use #646DB4 directly in your CSS properties like color or background-color.

What colors go well with #646DB4?

#B4AB64 (complementary), #6496B4 (analogous), and #424B8A (lighter shade) work well with #646DB4.