#665BA9 Color Information

Hex color code: #665BA9

The hex color #665BA9 is a soft blue with RGB values of (102, 91, 169) and HSL of (248°, 31%, 51%). It is typically applied in digital products.

Try:
Color NameSlate Blue
HEX
#665BA9
RGB
102, 91, 169
HSL
248°, 31%, 51%
CMYK
40%, 46%, 0%, 34%

Shades

CSS Usage
color: #665BA9;
background-color: #665BA9;
border-color: #665BA9;
box-shadow: 0 0 10px #665BA9;
border: 2px solid #665BA9;
Tailwind Usage
bg-[#665BA9]
text-[#665BA9]
border-[#665BA9]
shadow-[0_0_10px_665BA9]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #665BA9, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #665BA9; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #665BA9; 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 #665BA9; background-color: #665BA915; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #665BA920; border-left: 4px solid #665BA9; }

Link / Accent

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

a { color: #665BA9; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #665BA9 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 91, 169

Red: 102 / Green: 91 / Blue: 169

HSL

248°, 31%, 51%

Hue: 248° / Saturation: 31% / Lightness: 51%

CMYK

40%, 46%, 0%, 34%

Cyan: 40% / Magenta: 46% / Yellow: 0% / Key: 34%

What color is #665BA9?

#665BA9 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #665BA9 to RGB:

rgb(102, 91, 169)HEX to RGB Converter →

HEX to HSL

Convert #665BA9 to HSL:

hsl(248, 31%, 51%)RGB to HSL Converter →

HEX to CMYK

Convert #665BA9 to CMYK:

cmyk(40%, 46%, 0%, 34%)Color Converter →

Color Meaning and Usage

A pastel blue tone, #665BA9 has RGB (102, 91, 169) and HSL (248°, 31%, 51%). Known for evoking creativity and luxury, this blue-purple hue is frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #665BA9 is #9EA95B, creating high-contrast pairings. For softer combinations, try analogous colors like #5B78A9.

Use #665BA9 in CSS: color: #665BA9 or background-color: #665BA9. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #665BA9

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

Contrast Ratio: 3.63:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #665BA9?

#665BA9 is a pastel blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #665BA9?

#665BA9 in RGB is (102, 91, 169) - 102 red, 91 green, and 169 blue.

How to use #665BA9 in CSS?

Use #665BA9 directly in your CSS properties like color or background-color.

What colors go well with #665BA9?

#9EA95B (complementary), #5B78A9 (analogous), and #473F78 (lighter shade) work well with #665BA9.