#666EEB Color Information

Hex color code: #666EEB

A striking blue shade, #666EEB appears as (102, 110, 235) in RGB and (236°, 77%, 66%) in HSL. It is often used for branding and logos.

Try:
Color NameMedium Slate Blue
HEX
#666EEB
RGB
102, 110, 235
HSL
236°, 77%, 66%
CMYK
57%, 53%, 0%, 8%

Shades

CSS Usage
color: #666EEB;
background-color: #666EEB;
border-color: #666EEB;
box-shadow: 0 0 10px #666EEB;
border: 2px solid #666EEB;
Tailwind Usage
bg-[#666EEB]
text-[#666EEB]
border-[#666EEB]
shadow-[0_0_10px_666EEB]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #666EEB, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #666EEB; color: #000000; }

Badge

New Feature
.badge { background-color: #666EEB; 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 #666EEB; background-color: #666EEB15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #666EEB20; border-left: 4px solid #666EEB; }

Link / Accent

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

a { color: #666EEB; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #666EEB in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 110, 235

Red: 102 / Green: 110 / Blue: 235

HSL

236°, 77%, 66%

Hue: 236° / Saturation: 77% / Lightness: 66%

CMYK

57%, 53%, 0%, 8%

Cyan: 57% / Magenta: 53% / Yellow: 0% / Key: 8%

What color is #666EEB?

#666EEB is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #666EEB to RGB:

rgb(102, 110, 235)HEX to RGB Converter →

HEX to HSL

Convert #666EEB to HSL:

hsl(236, 77%, 66%)RGB to HSL Converter →

HEX to CMYK

Convert #666EEB to CMYK:

cmyk(57%, 53%, 0%, 8%)Color Converter →

Color Meaning and Usage

#666EEB is a bold blue color with RGB values of 102, 110, 235 and HSL of 236°, 77%, 66%. This blue-purple hue evokes creativity and luxury, making it suitable for frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #666EEB is #EBE266, creating high-contrast pairings. For softer combinations, try analogous colors like #66B1EB.

Use #666EEB in CSS: color: #666EEB or background-color: #666EEB. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #666EEB

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

Contrast Ratio: 4.99:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #666EEB?

#666EEB is a bold blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #666EEB?

#666EEB in RGB is (102, 110, 235) - 102 red, 110 green, and 235 blue.

How to use #666EEB in CSS?

Use #666EEB directly in your CSS properties like color or background-color.

What colors go well with #666EEB?

#EBE266 (complementary), #66B1EB (analogous), and #222FE2 (lighter shade) work well with #666EEB.