#818B9C Color Information

Hex color code: #818B9C

A subtle blue shade, #818B9C appears as (129, 139, 156) in RGB and (218°, 12%, 56%) in HSL. It is often used for branding and logos.

Try:
Color NameLight Slate Gray
HEX
#818B9C
RGB
129, 139, 156
HSL
218°, 12%, 56%
CMYK
17%, 11%, 0%, 39%

Shades

CSS Usage
color: #818B9C;
background-color: #818B9C;
border-color: #818B9C;
box-shadow: 0 0 10px #818B9C;
border: 2px solid #818B9C;
Tailwind Usage
bg-[#818B9C]
text-[#818B9C]
border-[#818B9C]
shadow-[0_0_10px_818B9C]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #818B9C, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #818B9C; color: #000000; }

Badge

New Feature
.badge { background-color: #818B9C; 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 #818B9C; background-color: #818B9C15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #818B9C20; border-left: 4px solid #818B9C; }

Link / Accent

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

a { color: #818B9C; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #818B9C in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

129, 139, 156

Red: 129 / Green: 139 / Blue: 156

HSL

218°, 12%, 56%

Hue: 218° / Saturation: 12% / Lightness: 56%

CMYK

17%, 11%, 0%, 39%

Cyan: 17% / Magenta: 11% / Yellow: 0% / Key: 39%

What color is #818B9C?

#818B9C is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #818B9C to RGB:

rgb(129, 139, 156)HEX to RGB Converter →

HEX to HSL

Convert #818B9C to HSL:

hsl(218, 12%, 56%)RGB to HSL Converter →

HEX to CMYK

Convert #818B9C to CMYK:

cmyk(17%, 11%, 0%, 39%)Color Converter →

Color Meaning and Usage

#818B9C is a neutral blue color with RGB values of 129, 139, 156 and HSL of 218°, 12%, 56%. This desaturated neutral evokes balance and subtlety, making it suitable for frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #818B9C is #9C9281, creating high-contrast pairings. For softer combinations, try analogous colors like #81999C.

Use #818B9C in CSS: color: #818B9C or background-color: #818B9C. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #818B9C

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

Contrast Ratio: 6.11:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #818B9C?

#818B9C is a neutral blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #818B9C?

#818B9C in RGB is (129, 139, 156) - 129 red, 139 green, and 156 blue.

How to use #818B9C in CSS?

Use #818B9C directly in your CSS properties like color or background-color.

What colors go well with #818B9C?

#9C9281 (complementary), #81999C (analogous), and #5C6575 (lighter shade) work well with #818B9C.