#666E80 Color Information

Hex color code: #666E80

A subtle blue shade, #666E80 appears as (102, 110, 128) in RGB and (222°, 11%, 45%) in HSL. It is popular in mobile app design.

Try:

Color NameSlate Gray

HEX

#666E80

RGB

102, 110, 128

HSL

222°, 11%, 45%

CMYK

20%, 14%, 0%, 50%

Shades

CSS Usage

color: #666E80;
background-color: #666E80;
border-color: #666E80;
box-shadow: 0 0 10px #666E80;
border: 2px solid #666E80;

Tailwind Usage

bg-[#666E80]
text-[#666E80]
border-[#666E80]
shadow-[0_0_10px_666E80]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #666E80, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #666E80; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #666E80; 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 #666E80; background-color: #666E8015; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #666E8020; border-left: 4px solid #666E80; }

Link / Accent

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

a { color: #666E80; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #666E80 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

102, 110, 128

Red: 102 / Green: 110 / Blue: 128

HSL

222°, 11%, 45%

Hue: 222° / Saturation: 11% / Lightness: 45%

CMYK

20%, 14%, 0%, 50%

Cyan: 20% / Magenta: 14% / Yellow: 0% / Key: 50%

What color is #666E80?

#666E80 is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

7F7866

Color Palette

HEX to RGB

Convert #666E80 to RGB:

rgb(102, 110, 128)HEX to RGB Converter →

HEX to HSL

Convert #666E80 to HSL:

hsl(222, 11%, 45%)RGB to HSL Converter →

HEX to CMYK

Convert #666E80 to CMYK:

cmyk(20%, 14%, 0%, 50%)Color Converter →

Color Meaning and Usage

#666E80 is a neutral blue color with RGB values of 102, 110, 128 and HSL of 222°, 11%, 45%. This desaturated neutral evokes balance and subtlety, making it suitable for a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #666E80 is #7F7866, creating high-contrast pairings. For softer combinations, try analogous colors like #667A7F.

Use #666E80 in CSS: color: #666E80 or background-color: #666E80. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #666E80

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

Contrast Ratio: 4.11:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #666E80?

#666E80 is a neutral blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #666E80?

#666E80 in RGB is (102, 110, 128) - 102 red, 110 green, and 128 blue.

How to use #666E80 in CSS?

Use #666E80 directly in your CSS properties like color or background-color.

What colors go well with #666E80?

#7F7866 (complementary), #667A7F (analogous), and #444955 (lighter shade) work well with #666E80.