#3F37D7 Color Information

Hex color code: #3F37D7

The hex color #3F37D7 is a serene blue with RGB values of (63, 55, 215) and HSL of (243°, 67%, 53%). It is popular in mobile app design.

Try:
Color NameRoyal Blue
HEX
#3F37D7
RGB
63, 55, 215
HSL
243°, 67%, 53%
CMYK
71%, 74%, 0%, 16%

Shades

CSS Usage
color: #3F37D7;
background-color: #3F37D7;
border-color: #3F37D7;
box-shadow: 0 0 10px #3F37D7;
border: 2px solid #3F37D7;
Tailwind Usage
bg-[#3F37D7]
text-[#3F37D7]
border-[#3F37D7]
shadow-[0_0_10px_3F37D7]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #3F37D7, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3F37D7; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #3F37D7; 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 #3F37D7; background-color: #3F37D715; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #3F37D720; border-left: 4px solid #3F37D7; }

Link / Accent

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

a { color: #3F37D7; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3F37D7 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

63, 55, 215

Red: 63 / Green: 55 / Blue: 215

HSL

243°, 67%, 53%

Hue: 243° / Saturation: 67% / Lightness: 53%

CMYK

71%, 74%, 0%, 16%

Cyan: 71% / Magenta: 74% / Yellow: 0% / Key: 16%

What color is #3F37D7?

#3F37D7 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #3F37D7 to RGB:

rgb(63, 55, 215)HEX to RGB Converter →

HEX to HSL

Convert #3F37D7 to HSL:

hsl(243, 67%, 53%)RGB to HSL Converter →

HEX to CMYK

Convert #3F37D7 to CMYK:

cmyk(71%, 74%, 0%, 16%)Color Converter →

Color Meaning and Usage

#3F37D7 is a serene blue color with RGB values of 63, 55, 215 and HSL of 243°, 67%, 53%. This blue-purple hue evokes creativity and luxury, making it suitable for frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3F37D7 is #CFD737, creating high-contrast pairings. For softer combinations, try analogous colors like #377FD7.

Use #3F37D7 in CSS: color: #3F37D7 or background-color: #3F37D7. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3F37D7

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

Contrast Ratio: 2.74:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3F37D7?

#3F37D7 is a serene blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #3F37D7?

#3F37D7 in RGB is (63, 55, 215) - 63 red, 55 green, and 215 blue.

How to use #3F37D7 in CSS?

Use #3F37D7 directly in your CSS properties like color or background-color.

What colors go well with #3F37D7?

#CFD737 (complementary), #377FD7 (analogous), and #2620A2 (lighter shade) work well with #3F37D7.