#646B74 Color Information

Hex color code: #646B74

The hex color #646B74 is a subtle blue with RGB values of (100, 107, 116) and HSL of (214°, 7%, 42%). It is often used for branding and logos.

Try:

Color NameGray

HEX

#646B74

RGB

100, 107, 116

HSL

214°, 7%, 42%

CMYK

14%, 8%, 0%, 55%

Shades

CSS Usage

color: #646B74;
background-color: #646B74;
border-color: #646B74;
box-shadow: 0 0 10px #646B74;
border: 2px solid #646B74;

Tailwind Usage

bg-[#646B74]
text-[#646B74]
border-[#646B74]
shadow-[0_0_10px_646B74]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #646B74, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #646B74; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #646B74; 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 #646B74; background-color: #646B7415; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #646B7420; border-left: 4px solid #646B74; }

Link / Accent

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

a { color: #646B74; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #646B74 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

100, 107, 116

Red: 100 / Green: 107 / Blue: 116

HSL

214°, 7%, 42%

Hue: 214° / Saturation: 7% / Lightness: 42%

CMYK

14%, 8%, 0%, 55%

Cyan: 14% / Magenta: 8% / Yellow: 0% / Key: 55%

What color is #646B74?

#646B74 is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

736C64

Color Palette

HEX to RGB

Convert #646B74 to RGB:

rgb(100, 107, 116)HEX to RGB Converter →

HEX to HSL

Convert #646B74 to HSL:

hsl(214, 7%, 42%)RGB to HSL Converter →

HEX to CMYK

Convert #646B74 to CMYK:

cmyk(14%, 8%, 0%, 55%)Color Converter →

Color Meaning and Usage

A understated blue tone, #646B74 has RGB (100, 107, 116) and HSL (214°, 7%, 42%). Known for evoking balance and subtlety, this desaturated neutral is a common choice for dashboards and SaaS products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #646B74 is #736C64, creating high-contrast pairings. For softer combinations, try analogous colors like #647273.

Use #646B74 in CSS: color: #646B74 or background-color: #646B74. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #646B74

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

Contrast Ratio: 3.90:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #646B74?

#646B74 is a understated blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #646B74?

#646B74 in RGB is (100, 107, 116) - 100 red, 107 green, and 116 blue.

How to use #646B74 in CSS?

Use #646B74 directly in your CSS properties like color or background-color.

What colors go well with #646B74?

#736C64 (complementary), #647273 (analogous), and #40444A (lighter shade) work well with #646B74.