#666B75 Color Information

Hex color code: #666B75

#666B75 is a neutral blue color. In RGB it is (102, 107, 117), and in HSL it is (220°, 7%, 43%). It is frequently seen in web interfaces.

Try:
Color NameGray
HEX
#666B75
RGB
102, 107, 117
HSL
220°, 7%, 43%
CMYK
13%, 9%, 0%, 54%

Shades

CSS Usage
color: #666B75;
background-color: #666B75;
border-color: #666B75;
box-shadow: 0 0 10px #666B75;
border: 2px solid #666B75;
Tailwind Usage
bg-[#666B75]
text-[#666B75]
border-[#666B75]
shadow-[0_0_10px_666B75]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #666B75, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #666B75; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #666B75; 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 #666B75; background-color: #666B7515; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #666B7520; border-left: 4px solid #666B75; }

Link / Accent

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

a { color: #666B75; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #666B75 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 107, 117

Red: 102 / Green: 107 / Blue: 117

HSL

220°, 7%, 43%

Hue: 220° / Saturation: 7% / Lightness: 43%

CMYK

13%, 9%, 0%, 54%

Cyan: 13% / Magenta: 9% / Yellow: 0% / Key: 54%

What color is #666B75?

#666B75 is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #666B75 to RGB:

rgb(102, 107, 117)HEX to RGB Converter →

HEX to HSL

Convert #666B75 to HSL:

hsl(220, 7%, 43%)RGB to HSL Converter →

HEX to CMYK

Convert #666B75 to CMYK:

cmyk(13%, 9%, 0%, 54%)Color Converter →

Color Meaning and Usage

#666B75 is a subtle blue color with RGB values of 102, 107, 117 and HSL of 220°, 7%, 43%. This desaturated neutral evokes balance and subtlety, making it suitable for a common choice for dashboards and SaaS products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #666B75 is #757066, creating high-contrast pairings. For softer combinations, try analogous colors like #667375.

Use #666B75 in CSS: color: #666B75 or background-color: #666B75. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #666B75

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

Contrast Ratio: 3.92:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #666B75?

#666B75 is a subtle blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #666B75?

#666B75 in RGB is (102, 107, 117) - 102 red, 107 green, and 117 blue.

How to use #666B75 in CSS?

Use #666B75 directly in your CSS properties like color or background-color.

What colors go well with #666B75?

#757066 (complementary), #667375 (analogous), and #42464C (lighter shade) work well with #666B75.