#645DDF Color Information

Hex color code: #645DDF

#645DDF is a serene blue color. In RGB it is (100, 93, 223), and in HSL it is (243°, 67%, 62%). It is popular in mobile app design.

Try:
Color NameSlate Blue
HEX
#645DDF
RGB
100, 93, 223
HSL
243°, 67%, 62%
CMYK
55%, 58%, 0%, 13%

Shades

CSS Usage
color: #645DDF;
background-color: #645DDF;
border-color: #645DDF;
box-shadow: 0 0 10px #645DDF;
border: 2px solid #645DDF;
Tailwind Usage
bg-[#645DDF]
text-[#645DDF]
border-[#645DDF]
shadow-[0_0_10px_645DDF]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #645DDF, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #645DDF; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #645DDF; 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 #645DDF; background-color: #645DDF15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #645DDF20; border-left: 4px solid #645DDF; }

Link / Accent

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

a { color: #645DDF; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #645DDF in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

100, 93, 223

Red: 100 / Green: 93 / Blue: 223

HSL

243°, 67%, 62%

Hue: 243° / Saturation: 67% / Lightness: 62%

CMYK

55%, 58%, 0%, 13%

Cyan: 55% / Magenta: 58% / Yellow: 0% / Key: 13%

What color is #645DDF?

#645DDF is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #645DDF to RGB:

rgb(100, 93, 223)HEX to RGB Converter →

HEX to HSL

Convert #645DDF to HSL:

hsl(243, 67%, 62%)RGB to HSL Converter →

HEX to CMYK

Convert #645DDF to CMYK:

cmyk(55%, 58%, 0%, 13%)Color Converter →

Color Meaning and Usage

A peaceful blue tone, #645DDF has RGB (100, 93, 223) and HSL (243°, 67%, 62%). Known for evoking creativity and luxury, this blue-purple hue is typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #645DDF is #D9DF5D, creating high-contrast pairings. For softer combinations, try analogous colors like #5D98DF.

Use #645DDF in CSS: color: #645DDF or background-color: #645DDF. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #645DDF

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

Contrast Ratio: 4.17:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #645DDF?

#645DDF is a peaceful blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #645DDF?

#645DDF in RGB is (100, 93, 223) - 100 red, 93 green, and 223 blue.

How to use #645DDF in CSS?

Use #645DDF directly in your CSS properties like color or background-color.

What colors go well with #645DDF?

#D9DF5D (complementary), #5D98DF (analogous), and #3028C8 (lighter shade) work well with #645DDF.