#66738F Color Information

Hex color code: #66738F

A muted blue shade, #66738F appears as (102, 115, 143) in RGB and (221°, 17%, 48%) in HSL. It is widely used in graphic design.

Try:
Color NameSlate Gray
HEX
#66738F
RGB
102, 115, 143
HSL
221°, 17%, 48%
CMYK
29%, 20%, 0%, 44%

Shades

CSS Usage
color: #66738F;
background-color: #66738F;
border-color: #66738F;
box-shadow: 0 0 10px #66738F;
border: 2px solid #66738F;
Tailwind Usage
bg-[#66738F]
text-[#66738F]
border-[#66738F]
shadow-[0_0_10px_66738F]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #66738F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #66738F; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #66738F; 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 #66738F; background-color: #66738F15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #66738F20; border-left: 4px solid #66738F; }

Link / Accent

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

a { color: #66738F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #66738F in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 115, 143

Red: 102 / Green: 115 / Blue: 143

HSL

221°, 17%, 48%

Hue: 221° / Saturation: 17% / Lightness: 48%

CMYK

29%, 20%, 0%, 44%

Cyan: 29% / Magenta: 20% / Yellow: 0% / Key: 44%

What color is #66738F?

#66738F is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #66738F to RGB:

rgb(102, 115, 143)HEX to RGB Converter →

HEX to HSL

Convert #66738F to HSL:

hsl(221, 17%, 48%)RGB to HSL Converter →

HEX to CMYK

Convert #66738F to CMYK:

cmyk(29%, 20%, 0%, 44%)Color Converter →

Color Meaning and Usage

A muted blue tone, #66738F has RGB (102, 115, 143) and HSL (221°, 17%, 48%). Known for evoking creativity and luxury, this blue-purple hue is typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #66738F is #8F8266, creating high-contrast pairings. For softer combinations, try analogous colors like #66888F.

Use #66738F in CSS: color: #66738F or background-color: #66738F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #66738F

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

Contrast Ratio: 4.41:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #66738F?

#66738F is a muted blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #66738F?

#66738F in RGB is (102, 115, 143) - 102 red, 115 green, and 143 blue.

How to use #66738F in CSS?

Use #66738F directly in your CSS properties like color or background-color.

What colors go well with #66738F?

#8F8266 (complementary), #66888F (analogous), and #464F62 (lighter shade) work well with #66738F.