#665BA4 Color Information

Hex color code: #665BA4

A gentle blue shade, #665BA4 appears as (102, 91, 164) in RGB and (249°, 29%, 50%) in HSL. It is frequently seen in web interfaces.

Try:

Color NameSlate Blue

HEX

#665BA4

RGB

102, 91, 164

HSL

249°, 29%, 50%

CMYK

38%, 45%, 0%, 36%

Shades

CSS Usage

color: #665BA4;
background-color: #665BA4;
border-color: #665BA4;
box-shadow: 0 0 10px #665BA4;
border: 2px solid #665BA4;

Tailwind Usage

bg-[#665BA4]
text-[#665BA4]
border-[#665BA4]
shadow-[0_0_10px_665BA4]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #665BA4, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #665BA4; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #665BA4; color: #FFFFFF; }

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 #665BA4; background-color: #665BA415; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #665BA420; border-left: 4px solid #665BA4; }

Link / Accent

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

a { color: #665BA4; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #665BA4 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

102, 91, 164

Red: 102 / Green: 91 / Blue: 164

HSL

249°, 29%, 50%

Hue: 249° / Saturation: 29% / Lightness: 50%

CMYK

38%, 45%, 0%, 36%

Cyan: 38% / Magenta: 45% / Yellow: 0% / Key: 36%

What color is #665BA4?

#665BA4 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

99A45B

Color Palette

HEX to RGB

Convert #665BA4 to RGB:

rgb(102, 91, 164)HEX to RGB Converter →

HEX to HSL

Convert #665BA4 to HSL:

hsl(249, 29%, 50%)RGB to HSL Converter →

HEX to CMYK

Convert #665BA4 to CMYK:

cmyk(38%, 45%, 0%, 36%)Color Converter →

Color Meaning and Usage

A delicate blue tone, #665BA4 has RGB (102, 91, 164) and HSL (249°, 29%, 50%). Known for evoking creativity and luxury, this blue-purple hue is commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #665BA4 is #99A45B, creating high-contrast pairings. For softer combinations, try analogous colors like #5B74A4.

Use #665BA4 in CSS: color: #665BA4 or background-color: #665BA4. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #665BA4

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

Contrast Ratio: 3.60:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #665BA4?

#665BA4 is a delicate blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #665BA4?

#665BA4 in RGB is (102, 91, 164) - 102 red, 91 green, and 164 blue.

How to use #665BA4 in CSS?

Use #665BA4 directly in your CSS properties like color or background-color.

What colors go well with #665BA4?

#99A45B (complementary), #5B74A4 (analogous), and #473F73 (lighter shade) work well with #665BA4.