#666A7A Color Information

Hex color code: #666A7A

The hex color #666A7A is a balanced blue with RGB values of (102, 106, 122) and HSL of (228°, 9%, 44%). It is often used for branding and logos.

Try:
Color NameSlate Gray
HEX
#666A7A
RGB
102, 106, 122
HSL
228°, 9%, 44%
CMYK
16%, 13%, 0%, 52%

Shades

CSS Usage
color: #666A7A;
background-color: #666A7A;
border-color: #666A7A;
box-shadow: 0 0 10px #666A7A;
border: 2px solid #666A7A;
Tailwind Usage
bg-[#666A7A]
text-[#666A7A]
border-[#666A7A]
shadow-[0_0_10px_666A7A]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #666A7A, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #666A7A; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #666A7A; 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 #666A7A; background-color: #666A7A15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #666A7A20; border-left: 4px solid #666A7A; }

Link / Accent

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

a { color: #666A7A; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #666A7A in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 106, 122

Red: 102 / Green: 106 / Blue: 122

HSL

228°, 9%, 44%

Hue: 228° / Saturation: 9% / Lightness: 44%

CMYK

16%, 13%, 0%, 52%

Cyan: 16% / Magenta: 13% / Yellow: 0% / Key: 52%

What color is #666A7A?

#666A7A is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #666A7A to RGB:

rgb(102, 106, 122)HEX to RGB Converter →

HEX to HSL

Convert #666A7A to HSL:

hsl(228, 9%, 44%)RGB to HSL Converter →

HEX to CMYK

Convert #666A7A to CMYK:

cmyk(16%, 13%, 0%, 52%)Color Converter →

Color Meaning and Usage

A balanced blue tone, #666A7A has RGB (102, 106, 122) and HSL (228°, 9%, 44%). Known for evoking balance and subtlety, this desaturated neutral is often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #666A7A is #7A7666, creating high-contrast pairings. For softer combinations, try analogous colors like #66747A.

Use #666A7A in CSS: color: #666A7A or background-color: #666A7A. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #666A7A

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

Contrast Ratio: 3.91:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #666A7A?

#666A7A is a balanced blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #666A7A?

#666A7A in RGB is (102, 106, 122) - 102 red, 106 green, and 122 blue.

How to use #666A7A in CSS?

Use #666A7A directly in your CSS properties like color or background-color.

What colors go well with #666A7A?

#7A7666 (complementary), #66747A (analogous), and #434651 (lighter shade) work well with #666A7A.