#3F39B7 Color Information

Hex color code: #3F39B7

The hex color #3F39B7 is a calming blue with RGB values of (63, 57, 183) and HSL of (243°, 53%, 47%). It is often used for branding and logos.

Try:
Color NameDark Slate Blue
HEX
#3F39B7
RGB
63, 57, 183
HSL
243°, 53%, 47%
CMYK
66%, 69%, 0%, 28%

Shades

CSS Usage
color: #3F39B7;
background-color: #3F39B7;
border-color: #3F39B7;
box-shadow: 0 0 10px #3F39B7;
border: 2px solid #3F39B7;
Tailwind Usage
bg-[#3F39B7]
text-[#3F39B7]
border-[#3F39B7]
shadow-[0_0_10px_3F39B7]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #3F39B7, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3F39B7; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #3F39B7; 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 #3F39B7; background-color: #3F39B715; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #3F39B720; border-left: 4px solid #3F39B7; }

Link / Accent

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

a { color: #3F39B7; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3F39B7 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

63, 57, 183

Red: 63 / Green: 57 / Blue: 183

HSL

243°, 53%, 47%

Hue: 243° / Saturation: 53% / Lightness: 47%

CMYK

66%, 69%, 0%, 28%

Cyan: 66% / Magenta: 69% / Yellow: 0% / Key: 28%

What color is #3F39B7?

#3F39B7 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #3F39B7 to RGB:

rgb(63, 57, 183)HEX to RGB Converter →

HEX to HSL

Convert #3F39B7 to HSL:

hsl(243, 53%, 47%)RGB to HSL Converter →

HEX to CMYK

Convert #3F39B7 to CMYK:

cmyk(66%, 69%, 0%, 28%)Color Converter →

Color Meaning and Usage

A tranquil blue tone, #3F39B7 has RGB (63, 57, 183) and HSL (243°, 53%, 47%). Known for evoking creativity and luxury, this blue-purple hue is widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3F39B7 is #B1B738, creating high-contrast pairings. For softer combinations, try analogous colors like #3871B7.

Use #3F39B7 in CSS: color: #3F39B7 or background-color: #3F39B7. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3F39B7

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

Contrast Ratio: 2.48:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3F39B7?

#3F39B7 is a tranquil blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #3F39B7?

#3F39B7 in RGB is (63, 57, 183) - 63 red, 57 green, and 183 blue.

How to use #3F39B7 in CSS?

Use #3F39B7 directly in your CSS properties like color or background-color.

What colors go well with #3F39B7?

#B1B738 (complementary), #3871B7 (analogous), and #2B267D (lighter shade) work well with #3F39B7.