#3F57CF Color Information

Hex color code: #3F57CF

The hex color #3F57CF is a calming blue with RGB values of (63, 87, 207) and HSL of (230°, 60%, 53%). It is frequently seen in web interfaces.

Try:

Color NameRoyal Blue

HEX

#3F57CF

RGB

63, 87, 207

HSL

230°, 60%, 53%

CMYK

70%, 58%, 0%, 19%

Shades

CSS Usage

color: #3F57CF;
background-color: #3F57CF;
border-color: #3F57CF;
box-shadow: 0 0 10px #3F57CF;
border: 2px solid #3F57CF;

Tailwind Usage

bg-[#3F57CF]
text-[#3F57CF]
border-[#3F57CF]
shadow-[0_0_10px_3F57CF]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #3F57CF, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3F57CF; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #3F57CF; 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 #3F57CF; background-color: #3F57CF15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #3F57CF20; border-left: 4px solid #3F57CF; }

Link / Accent

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

a { color: #3F57CF; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3F57CF in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

63, 87, 207

Red: 63 / Green: 87 / Blue: 207

HSL

230°, 60%, 53%

Hue: 230° / Saturation: 60% / Lightness: 53%

CMYK

70%, 58%, 0%, 19%

Cyan: 70% / Magenta: 58% / Yellow: 0% / Key: 19%

What color is #3F57CF?

#3F57CF is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

CFB73F

Color Palette

HEX to RGB

Convert #3F57CF to RGB:

rgb(63, 87, 207)HEX to RGB Converter →

HEX to HSL

Convert #3F57CF to HSL:

hsl(230, 60%, 53%)RGB to HSL Converter →

HEX to CMYK

Convert #3F57CF to CMYK:

cmyk(70%, 58%, 0%, 19%)Color Converter →

Color Meaning and Usage

#3F57CF is a calming blue color with RGB values of 63, 87, 207 and HSL of 230°, 60%, 53%. This blue-purple hue evokes creativity and luxury, making it suitable for widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3F57CF is #CFB73F, creating high-contrast pairings. For softer combinations, try analogous colors like #3F9FCF.

Use #3F57CF in CSS: color: #3F57CF or background-color: #3F57CF. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3F57CF

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

Contrast Ratio: 3.48:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3F57CF?

#3F57CF is a calming blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #3F57CF?

#3F57CF in RGB is (63, 87, 207) - 63 red, 87 green, and 207 blue.

How to use #3F57CF in CSS?

Use #3F57CF directly in your CSS properties like color or background-color.

What colors go well with #3F57CF?

#CFB73F (complementary), #3F9FCF (analogous), and #273A9B (lighter shade) work well with #3F57CF.