#3F437D Color Information

Hex color code: #3F437D

A delicate blue shade, #3F437D appears as (63, 67, 125) in RGB and (236°, 33%, 37%) in HSL. It is popular in mobile app design.

Try:

Color NameDark Slate Blue

HEX

#3F437D

RGB

63, 67, 125

HSL

236°, 33%, 37%

CMYK

50%, 46%, 0%, 51%

Shades

CSS Usage

color: #3F437D;
background-color: #3F437D;
border-color: #3F437D;
box-shadow: 0 0 10px #3F437D;
border: 2px solid #3F437D;

Tailwind Usage

bg-[#3F437D]
text-[#3F437D]
border-[#3F437D]
shadow-[0_0_10px_3F437D]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #3F437D, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3F437D; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #3F437D; 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 #3F437D; background-color: #3F437D15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #3F437D20; border-left: 4px solid #3F437D; }

Link / Accent

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

a { color: #3F437D; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3F437D in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

63, 67, 125

Red: 63 / Green: 67 / Blue: 125

HSL

236°, 33%, 37%

Hue: 236° / Saturation: 33% / Lightness: 37%

CMYK

50%, 46%, 0%, 51%

Cyan: 50% / Magenta: 46% / Yellow: 0% / Key: 51%

What color is #3F437D?

#3F437D is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

7D793F

Color Palette

HEX to RGB

Convert #3F437D to RGB:

rgb(63, 67, 125)HEX to RGB Converter →

HEX to HSL

Convert #3F437D to HSL:

hsl(236, 33%, 37%)RGB to HSL Converter →

HEX to CMYK

Convert #3F437D to CMYK:

cmyk(50%, 46%, 0%, 51%)Color Converter →

Color Meaning and Usage

#3F437D is a pastel blue color with RGB values of 63, 67, 125 and HSL of 236°, 33%, 37%. This blue-purple hue evokes creativity and luxury, making it suitable for well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3F437D is #7D793F, creating high-contrast pairings. For softer combinations, try analogous colors like #3F637D.

Use #3F437D in CSS: color: #3F437D or background-color: #3F437D. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3F437D

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

Contrast Ratio: 2.31:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3F437D?

#3F437D is a pastel blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #3F437D?

#3F437D in RGB is (63, 67, 125) - 63 red, 67 green, and 125 blue.

How to use #3F437D in CSS?

Use #3F437D directly in your CSS properties like color or background-color.

What colors go well with #3F437D?

#7D793F (complementary), #3F637D (analogous), and #26284B (lighter shade) work well with #3F437D.