#66878F Color Information

Hex color code: #66878F

The hex color #66878F is a understated cyan with RGB values of (102, 135, 143) and HSL of (192°, 17%, 48%). It is popular in mobile app design.

Try:
Color NameSlate Gray
HEX
#66878F
RGB
102, 135, 143
HSL
192°, 17%, 48%
CMYK
29%, 6%, 0%, 44%

Shades

CSS Usage
color: #66878F;
background-color: #66878F;
border-color: #66878F;
box-shadow: 0 0 10px #66878F;
border: 2px solid #66878F;
Tailwind Usage
bg-[#66878F]
text-[#66878F]
border-[#66878F]
shadow-[0_0_10px_66878F]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #66878F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #66878F; color: #000000; }

Badge

New Feature
.badge { background-color: #66878F; 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 #66878F; background-color: #66878F15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #66878F20; border-left: 4px solid #66878F; }

Link / Accent

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

a { color: #66878F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #66878F in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 135, 143

Red: 102 / Green: 135 / Blue: 143

HSL

192°, 17%, 48%

Hue: 192° / Saturation: 17% / Lightness: 48%

CMYK

29%, 6%, 0%, 44%

Cyan: 29% / Magenta: 6% / Yellow: 0% / Key: 44%

What color is #66878F?

#66878F is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #66878F to RGB:

rgb(102, 135, 143)HEX to RGB Converter →

HEX to HSL

Convert #66878F to HSL:

hsl(192, 17%, 48%)RGB to HSL Converter →

HEX to CMYK

Convert #66878F to CMYK:

cmyk(29%, 6%, 0%, 44%)Color Converter →

Color Meaning and Usage

#66878F is a muted cyan color with RGB values of 102, 135, 143 and HSL of 192°, 17%, 48%. This cyan-blue hue evokes trust and professionalism, making it suitable for often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #66878F is #8F6E66, creating high-contrast pairings. For softer combinations, try analogous colors like #668F83.

Use #66878F in CSS: color: #66878F or background-color: #66878F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #66878F

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

Contrast Ratio: 5.43:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #66878F?

#66878F is a muted cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #66878F?

#66878F in RGB is (102, 135, 143) - 102 red, 135 green, and 143 blue.

How to use #66878F in CSS?

Use #66878F directly in your CSS properties like color or background-color.

What colors go well with #66878F?

#8F6E66 (complementary), #668F83 (analogous), and #465D62 (lighter shade) work well with #66878F.