#3F3D51 Color Information

Hex color code: #3F3D51

#3F3D51 is a subtle blue color. In RGB it is (63, 61, 81), and in HSL it is (246°, 14%, 28%). It is often used for branding and logos.

Try:

Color NameDark Slate Gray

HEX

#3F3D51

RGB

63, 61, 81

HSL

246°, 14%, 28%

CMYK

22%, 25%, 0%, 68%

Shades

CSS Usage

color: #3F3D51;
background-color: #3F3D51;
border-color: #3F3D51;
box-shadow: 0 0 10px #3F3D51;
border: 2px solid #3F3D51;

Tailwind Usage

bg-[#3F3D51]
text-[#3F3D51]
border-[#3F3D51]
shadow-[0_0_10px_3F3D51]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #3F3D51, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3F3D51; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #3F3D51; 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 #3F3D51; background-color: #3F3D5115; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #3F3D5120; border-left: 4px solid #3F3D51; }

Link / Accent

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

a { color: #3F3D51; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3F3D51 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

63, 61, 81

Red: 63 / Green: 61 / Blue: 81

HSL

246°, 14%, 28%

Hue: 246° / Saturation: 14% / Lightness: 28%

CMYK

22%, 25%, 0%, 68%

Cyan: 22% / Magenta: 25% / Yellow: 0% / Key: 68%

What color is #3F3D51?

#3F3D51 is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

4F513D

Color Palette

HEX to RGB

Convert #3F3D51 to RGB:

rgb(63, 61, 81)HEX to RGB Converter →

HEX to HSL

Convert #3F3D51 to HSL:

hsl(246, 14%, 28%)RGB to HSL Converter →

HEX to CMYK

Convert #3F3D51 to CMYK:

cmyk(22%, 25%, 0%, 68%)Color Converter →

Color Meaning and Usage

A subtle blue tone, #3F3D51 has RGB (63, 61, 81) and HSL (246°, 14%, 28%). Known for evoking balance and subtlety, this desaturated neutral is a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3F3D51 is #4F513D, creating high-contrast pairings. For softer combinations, try analogous colors like #3D4551.

Use #3F3D51 in CSS: color: #3F3D51 or background-color: #3F3D51. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3F3D51

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

Contrast Ratio: 2.00:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3F3D51?

#3F3D51 is a subtle blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #3F3D51?

#3F3D51 in RGB is (63, 61, 81) - 63 red, 61 green, and 81 blue.

How to use #3F3D51 in CSS?

Use #3F3D51 directly in your CSS properties like color or background-color.

What colors go well with #3F3D51?

#4F513D (complementary), #3D4551 (analogous), and #1D1D26 (lighter shade) work well with #3F3D51.