#3F3F55 Color Information

Hex color code: #3F3F55

A balanced blue shade, #3F3F55 appears as (63, 63, 85) in RGB and (240°, 15%, 29%) in HSL. It is frequently seen in web interfaces.

Try:
Color NameDark Slate Gray
HEX
#3F3F55
RGB
63, 63, 85
HSL
240°, 15%, 29%
CMYK
26%, 26%, 0%, 67%

Shades

CSS Usage
color: #3F3F55;
background-color: #3F3F55;
border-color: #3F3F55;
box-shadow: 0 0 10px #3F3F55;
border: 2px solid #3F3F55;
Tailwind Usage
bg-[#3F3F55]
text-[#3F3F55]
border-[#3F3F55]
shadow-[0_0_10px_3F3F55]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #3F3F55, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3F3F55; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #3F3F55; 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 #3F3F55; background-color: #3F3F5515; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #3F3F5520; border-left: 4px solid #3F3F55; }

Link / Accent

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

a { color: #3F3F55; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3F3F55 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

63, 63, 85

Red: 63 / Green: 63 / Blue: 85

HSL

240°, 15%, 29%

Hue: 240° / Saturation: 15% / Lightness: 29%

CMYK

26%, 26%, 0%, 67%

Cyan: 26% / Magenta: 26% / Yellow: 0% / Key: 67%

What color is #3F3F55?

#3F3F55 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #3F3F55 to RGB:

rgb(63, 63, 85)HEX to RGB Converter →

HEX to HSL

Convert #3F3F55 to HSL:

hsl(240, 15%, 29%)RGB to HSL Converter →

HEX to CMYK

Convert #3F3F55 to CMYK:

cmyk(26%, 26%, 0%, 67%)Color Converter →

Color Meaning and Usage

#3F3F55 is a balanced blue color with RGB values of 63, 63, 85 and HSL of 240°, 15%, 29%. This blue-purple hue evokes creativity and luxury, making it suitable for a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3F3F55 is #55553F, creating high-contrast pairings. For softer combinations, try analogous colors like #3F4A55.

Use #3F3F55 in CSS: color: #3F3F55 or background-color: #3F3F55. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3F3F55

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

Contrast Ratio: 2.05:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3F3F55?

#3F3F55 is a balanced blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #3F3F55?

#3F3F55 in RGB is (63, 63, 85) - 63 red, 63 green, and 85 blue.

How to use #3F3F55 in CSS?

Use #3F3F55 directly in your CSS properties like color or background-color.

What colors go well with #3F3F55?

#55553F (complementary), #3F4A55 (analogous), and #1E1E29 (lighter shade) work well with #3F3F55.