#666F7A Color Information

Hex color code: #666F7A

A understated blue shade, #666F7A appears as (102, 111, 122) in RGB and (213°, 9%, 44%) in HSL. It is widely used in graphic design.

Try:
Color NameSlate Gray
HEX
#666F7A
RGB
102, 111, 122
HSL
213°, 9%, 44%
CMYK
16%, 9%, 0%, 52%

Shades

CSS Usage
color: #666F7A;
background-color: #666F7A;
border-color: #666F7A;
box-shadow: 0 0 10px #666F7A;
border: 2px solid #666F7A;
Tailwind Usage
bg-[#666F7A]
text-[#666F7A]
border-[#666F7A]
shadow-[0_0_10px_666F7A]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #666F7A, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #666F7A; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #666F7A; 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 #666F7A; background-color: #666F7A15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #666F7A20; border-left: 4px solid #666F7A; }

Link / Accent

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

a { color: #666F7A; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #666F7A in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 111, 122

Red: 102 / Green: 111 / Blue: 122

HSL

213°, 9%, 44%

Hue: 213° / Saturation: 9% / Lightness: 44%

CMYK

16%, 9%, 0%, 52%

Cyan: 16% / Magenta: 9% / Yellow: 0% / Key: 52%

What color is #666F7A?

#666F7A is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #666F7A to RGB:

rgb(102, 111, 122)HEX to RGB Converter →

HEX to HSL

Convert #666F7A to HSL:

hsl(213, 9%, 44%)RGB to HSL Converter →

HEX to CMYK

Convert #666F7A to CMYK:

cmyk(16%, 9%, 0%, 52%)Color Converter →

Color Meaning and Usage

#666F7A is a subtle blue color with RGB values of 102, 111, 122 and HSL of 213°, 9%, 44%. This desaturated neutral evokes balance and subtlety, making it suitable for frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #666F7A is #7A7166, creating high-contrast pairings. For softer combinations, try analogous colors like #66797A.

Use #666F7A in CSS: color: #666F7A or background-color: #666F7A. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #666F7A

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

Contrast Ratio: 4.12:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #666F7A?

#666F7A is a subtle blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #666F7A?

#666F7A in RGB is (102, 111, 122) - 102 red, 111 green, and 122 blue.

How to use #666F7A in CSS?

Use #666F7A directly in your CSS properties like color or background-color.

What colors go well with #666F7A?

#7A7166 (complementary), #66797A (analogous), and #434951 (lighter shade) work well with #666F7A.