#3F5155 Color Information

Hex color code: #3F5155

The hex color #3F5155 is a neutral cyan with RGB values of (63, 81, 85) and HSL of (191°, 15%, 29%). It is commonly used in modern UI design.

Try:

Color NameDark Slate Gray

HEX

#3F5155

RGB

63, 81, 85

HSL

191°, 15%, 29%

CMYK

26%, 5%, 0%, 67%

Shades

CSS Usage

color: #3F5155;
background-color: #3F5155;
border-color: #3F5155;
box-shadow: 0 0 10px #3F5155;
border: 2px solid #3F5155;

Tailwind Usage

bg-[#3F5155]
text-[#3F5155]
border-[#3F5155]
shadow-[0_0_10px_3F5155]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #3F5155, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3F5155; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #3F5155; 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 #3F5155; background-color: #3F515515; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #3F515520; border-left: 4px solid #3F5155; }

Link / Accent

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

a { color: #3F5155; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3F5155 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

63, 81, 85

Red: 63 / Green: 81 / Blue: 85

HSL

191°, 15%, 29%

Hue: 191° / Saturation: 15% / Lightness: 29%

CMYK

26%, 5%, 0%, 67%

Cyan: 26% / Magenta: 5% / Yellow: 0% / Key: 67%

What color is #3F5155?

#3F5155 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

55433F

Color Palette

HEX to RGB

Convert #3F5155 to RGB:

rgb(63, 81, 85)HEX to RGB Converter →

HEX to HSL

Convert #3F5155 to HSL:

hsl(191, 15%, 29%)RGB to HSL Converter →

HEX to CMYK

Convert #3F5155 to CMYK:

cmyk(26%, 5%, 0%, 67%)Color Converter →

Color Meaning and Usage

#3F5155 is a neutral cyan color with RGB values of 63, 81, 85 and HSL of 191°, 15%, 29%. This cyan-blue hue evokes trust and professionalism, making it suitable for typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3F5155 is #55433F, creating high-contrast pairings. For softer combinations, try analogous colors like #3F554E.

Use #3F5155 in CSS: color: #3F5155 or background-color: #3F5155. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3F5155

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

Contrast Ratio: 2.52:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3F5155?

#3F5155 is a neutral cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #3F5155?

#3F5155 in RGB is (63, 81, 85) - 63 red, 81 green, and 85 blue.

How to use #3F5155 in CSS?

Use #3F5155 directly in your CSS properties like color or background-color.

What colors go well with #3F5155?

#55433F (complementary), #3F554E (analogous), and #1E2729 (lighter shade) work well with #3F5155.