#66858F Color Information

Hex color code: #66858F

The hex color #66858F is a balanced blue with RGB values of (102, 133, 143) and HSL of (195°, 17%, 48%). It is often used for branding and logos.

Try:

Color NameSlate Gray

HEX

#66858F

RGB

102, 133, 143

HSL

195°, 17%, 48%

CMYK

29%, 7%, 0%, 44%

Shades

CSS Usage

color: #66858F;
background-color: #66858F;
border-color: #66858F;
box-shadow: 0 0 10px #66858F;
border: 2px solid #66858F;

Tailwind Usage

bg-[#66858F]
text-[#66858F]
border-[#66858F]
shadow-[0_0_10px_66858F]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #66858F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #66858F; color: #000000; }

Badge

New Feature

.badge { background-color: #66858F; 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 #66858F; background-color: #66858F15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #66858F20; border-left: 4px solid #66858F; }

Link / Accent

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

a { color: #66858F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #66858F in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

102, 133, 143

Red: 102 / Green: 133 / Blue: 143

HSL

195°, 17%, 48%

Hue: 195° / Saturation: 17% / Lightness: 48%

CMYK

29%, 7%, 0%, 44%

Cyan: 29% / Magenta: 7% / Yellow: 0% / Key: 44%

What color is #66858F?

#66858F is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

8F7066

Color Palette

HEX to RGB

Convert #66858F to RGB:

rgb(102, 133, 143)HEX to RGB Converter →

HEX to HSL

Convert #66858F to HSL:

hsl(195, 17%, 48%)RGB to HSL Converter →

HEX to CMYK

Convert #66858F to CMYK:

cmyk(29%, 7%, 0%, 44%)Color Converter →

Color Meaning and Usage

A understated blue tone, #66858F has RGB (102, 133, 143) and HSL (195°, 17%, 48%). Known for evoking trust and professionalism, this cyan-blue hue is frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #66858F is #8F7066, creating high-contrast pairings. For softer combinations, try analogous colors like #668F85.

Use #66858F in CSS: color: #66858F or background-color: #66858F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #66858F

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

Contrast Ratio: 5.32:1

WCAG AA: Pass

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #66858F?

#66858F is a understated blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #66858F?

#66858F in RGB is (102, 133, 143) - 102 red, 133 green, and 143 blue.

How to use #66858F in CSS?

Use #66858F directly in your CSS properties like color or background-color.

What colors go well with #66858F?

#8F7066 (complementary), #668F85 (analogous), and #465B62 (lighter shade) work well with #66858F.