#668A99 Color Information

Hex color code: #668A99

A subtle blue shade, #668A99 appears as (102, 138, 153) in RGB and (198°, 20%, 50%) in HSL. It is often used for branding and logos.

Try:

Color NameSlate Gray

HEX

#668A99

RGB

102, 138, 153

HSL

198°, 20%, 50%

CMYK

33%, 10%, 0%, 40%

Shades

CSS Usage

color: #668A99;
background-color: #668A99;
border-color: #668A99;
box-shadow: 0 0 10px #668A99;
border: 2px solid #668A99;

Tailwind Usage

bg-[#668A99]
text-[#668A99]
border-[#668A99]
shadow-[0_0_10px_668A99]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #668A99, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #668A99; color: #000000; }

Badge

New Feature

.badge { background-color: #668A99; color: #000000; }

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 #668A99; background-color: #668A9915; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #668A9920; border-left: 4px solid #668A99; }

Link / Accent

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

a { color: #668A99; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #668A99 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

102, 138, 153

Red: 102 / Green: 138 / Blue: 153

HSL

198°, 20%, 50%

Hue: 198° / Saturation: 20% / Lightness: 50%

CMYK

33%, 10%, 0%, 40%

Cyan: 33% / Magenta: 10% / Yellow: 0% / Key: 40%

What color is #668A99?

#668A99 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

997566

Color Palette

HEX to RGB

Convert #668A99 to RGB:

rgb(102, 138, 153)HEX to RGB Converter →

HEX to HSL

Convert #668A99 to HSL:

hsl(198, 20%, 50%)RGB to HSL Converter →

HEX to CMYK

Convert #668A99 to CMYK:

cmyk(33%, 10%, 0%, 40%)Color Converter →

Color Meaning and Usage

A subtle blue tone, #668A99 has RGB (102, 138, 153) and HSL (198°, 20%, 50%). Known for evoking trust and professionalism, this cyan-blue hue is often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #668A99 is #997566, creating high-contrast pairings. For softer combinations, try analogous colors like #66998F.

Use #668A99 in CSS: color: #668A99 or background-color: #668A99. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #668A99

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

Contrast Ratio: 5.66:1

WCAG AA: Pass

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #668A99?

#668A99 is a subtle blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #668A99?

#668A99 in RGB is (102, 138, 153) - 102 red, 138 green, and 153 blue.

How to use #668A99 in CSS?

Use #668A99 directly in your CSS properties like color or background-color.

What colors go well with #668A99?

#997566 (complementary), #66998F (analogous), and #47606B (lighter shade) work well with #668A99.