#3F81E4 Color Information

Hex color code: #3F81E4

The hex color #3F81E4 is a striking blue with RGB values of (63, 129, 228) and HSL of (216°, 75%, 57%). It is often used for branding and logos.

Try:
Color NameRoyal Blue
HEX
#3F81E4
RGB
63, 129, 228
HSL
216°, 75%, 57%
CMYK
72%, 43%, 0%, 11%

Shades

CSS Usage
color: #3F81E4;
background-color: #3F81E4;
border-color: #3F81E4;
box-shadow: 0 0 10px #3F81E4;
border: 2px solid #3F81E4;
Tailwind Usage
bg-[#3F81E4]
text-[#3F81E4]
border-[#3F81E4]
shadow-[0_0_10px_3F81E4]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #3F81E4, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3F81E4; color: #000000; }

Badge

New Feature
.badge { background-color: #3F81E4; color: #000000; }

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 #3F81E4; background-color: #3F81E415; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #3F81E420; border-left: 4px solid #3F81E4; }

Link / Accent

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

a { color: #3F81E4; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3F81E4 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

63, 129, 228

Red: 63 / Green: 129 / Blue: 228

HSL

216°, 75%, 57%

Hue: 216° / Saturation: 75% / Lightness: 57%

CMYK

72%, 43%, 0%, 11%

Cyan: 72% / Magenta: 43% / Yellow: 0% / Key: 11%

What color is #3F81E4?

#3F81E4 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #3F81E4 to RGB:

rgb(63, 129, 228)HEX to RGB Converter →

HEX to HSL

Convert #3F81E4 to HSL:

hsl(216, 75%, 57%)RGB to HSL Converter →

HEX to CMYK

Convert #3F81E4 to CMYK:

cmyk(72%, 43%, 0%, 11%)Color Converter →

Color Meaning and Usage

#3F81E4 is a dynamic blue color with RGB values of 63, 129, 228 and HSL of 216°, 75%, 57%. This blue-purple hue evokes creativity and luxury, making it suitable for popular in mobile app design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3F81E4 is #E4A23F, creating high-contrast pairings. For softer combinations, try analogous colors like #3FD3E4.

Use #3F81E4 in CSS: color: #3F81E4 or background-color: #3F81E4. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3F81E4

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

Contrast Ratio: 5.47:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3F81E4?

#3F81E4 is a dynamic blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #3F81E4?

#3F81E4 in RGB is (63, 129, 228) - 63 red, 129 green, and 228 blue.

How to use #3F81E4 in CSS?

Use #3F81E4 directly in your CSS properties like color or background-color.

What colors go well with #3F81E4?

#E4A23F (complementary), #3FD3E4 (analogous), and #1B5BBB (lighter shade) work well with #3F81E4.