#666C70 Color Information

Hex color code: #666C70

A understated blue shade, #666C70 appears as (102, 108, 112) in RGB and (204°, 5%, 42%) in HSL. It is popular in mobile app design.

Try:

Color NameGray

HEX

#666C70

RGB

102, 108, 112

HSL

204°, 5%, 42%

CMYK

9%, 4%, 0%, 56%

Shades

CSS Usage

color: #666C70;
background-color: #666C70;
border-color: #666C70;
box-shadow: 0 0 10px #666C70;
border: 2px solid #666C70;

Tailwind Usage

bg-[#666C70]
text-[#666C70]
border-[#666C70]
shadow-[0_0_10px_666C70]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #666C70, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #666C70; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #666C70; 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 #666C70; background-color: #666C7015; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #666C7020; border-left: 4px solid #666C70; }

Link / Accent

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

a { color: #666C70; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #666C70 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

102, 108, 112

Red: 102 / Green: 108 / Blue: 112

HSL

204°, 5%, 42%

Hue: 204° / Saturation: 5% / Lightness: 42%

CMYK

9%, 4%, 0%, 56%

Cyan: 9% / Magenta: 4% / Yellow: 0% / Key: 56%

What color is #666C70?

#666C70 is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

706A66

Color Palette

HEX to RGB

Convert #666C70 to RGB:

rgb(102, 108, 112)HEX to RGB Converter →

HEX to HSL

Convert #666C70 to HSL:

hsl(204, 5%, 42%)RGB to HSL Converter →

HEX to CMYK

Convert #666C70 to CMYK:

cmyk(9%, 4%, 0%, 56%)Color Converter →

Color Meaning and Usage

#666C70 is a understated blue color with RGB values of 102, 108, 112 and HSL of 204°, 5%, 42%. This desaturated neutral evokes balance and subtlety, making it suitable for often used for branding and logos. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #666C70 is #706A66, creating high-contrast pairings. For softer combinations, try analogous colors like #66706F.

Use #666C70 in CSS: color: #666C70 or background-color: #666C70. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #666C70

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

Contrast Ratio: 3.94:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #666C70?

#666C70 is a understated blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #666C70?

#666C70 in RGB is (102, 108, 112) - 102 red, 108 green, and 112 blue.

How to use #666C70 in CSS?

Use #666C70 directly in your CSS properties like color or background-color.

What colors go well with #666C70?

#706A66 (complementary), #66706F (analogous), and #414648 (lighter shade) work well with #666C70.