#646B90 Color Information

Hex color code: #646B90

The hex color #646B90 is a subtle blue with RGB values of (100, 107, 144) and HSL of (230°, 18%, 48%). It is often used for branding and logos.

Try:

Color NameSlate Gray

HEX

#646B90

RGB

100, 107, 144

HSL

230°, 18%, 48%

CMYK

31%, 26%, 0%, 44%

Shades

CSS Usage

color: #646B90;
background-color: #646B90;
border-color: #646B90;
box-shadow: 0 0 10px #646B90;
border: 2px solid #646B90;

Tailwind Usage

bg-[#646B90]
text-[#646B90]
border-[#646B90]
shadow-[0_0_10px_646B90]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #646B90, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #646B90; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #646B90; 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 #646B90; background-color: #646B9015; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #646B9020; border-left: 4px solid #646B90; }

Link / Accent

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

a { color: #646B90; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #646B90 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

100, 107, 144

Red: 100 / Green: 107 / Blue: 144

HSL

230°, 18%, 48%

Hue: 230° / Saturation: 18% / Lightness: 48%

CMYK

31%, 26%, 0%, 44%

Cyan: 31% / Magenta: 26% / Yellow: 0% / Key: 44%

What color is #646B90?

#646B90 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

908964

Color Palette

HEX to RGB

Convert #646B90 to RGB:

rgb(100, 107, 144)HEX to RGB Converter →

HEX to HSL

Convert #646B90 to HSL:

hsl(230, 18%, 48%)RGB to HSL Converter →

HEX to CMYK

Convert #646B90 to CMYK:

cmyk(31%, 26%, 0%, 44%)Color Converter →

Color Meaning and Usage

A neutral blue tone, #646B90 has RGB (100, 107, 144) and HSL (230°, 18%, 48%). Known for evoking creativity and luxury, this blue-purple hue is widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #646B90 is #908964, creating high-contrast pairings. For softer combinations, try analogous colors like #648290.

Use #646B90 in CSS: color: #646B90 or background-color: #646B90. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #646B90

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

Contrast Ratio: 4.05:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #646B90?

#646B90 is a neutral blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #646B90?

#646B90 in RGB is (100, 107, 144) - 100 red, 107 green, and 144 blue.

How to use #646B90 in CSS?

Use #646B90 directly in your CSS properties like color or background-color.

What colors go well with #646B90?

#908964 (complementary), #648290 (analogous), and #454A63 (lighter shade) work well with #646B90.