#311D3B Color Information

Hex color code: #311D3B

The hex color #311D3B is a dramatic purple with RGB values of (49, 29, 59) and HSL of (280°, 34%, 17%). It is typically applied in digital products.

Try:
Color NameDark Slate Gray
HEX
#311D3B
RGB
49, 29, 59
HSL
280°, 34%, 17%
CMYK
17%, 51%, 0%, 77%

Shades

CSS Usage
color: #311D3B;
background-color: #311D3B;
border-color: #311D3B;
box-shadow: 0 0 10px #311D3B;
border: 2px solid #311D3B;
Tailwind Usage
bg-[#311D3B]
text-[#311D3B]
border-[#311D3B]
shadow-[0_0_10px_311D3B]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #311D3B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #311D3B; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #311D3B; 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 #311D3B; background-color: #311D3B15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #311D3B20; border-left: 4px solid #311D3B; }

Link / Accent

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

a { color: #311D3B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #311D3B in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

49, 29, 59

Red: 49 / Green: 29 / Blue: 59

HSL

280°, 34%, 17%

Hue: 280° / Saturation: 34% / Lightness: 17%

CMYK

17%, 51%, 0%, 77%

Cyan: 17% / Magenta: 51% / Yellow: 0% / Key: 77%

What color is #311D3B?

#311D3B is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #311D3B to RGB:

rgb(49, 29, 59)HEX to RGB Converter →

HEX to HSL

Convert #311D3B to HSL:

hsl(280, 34%, 17%)RGB to HSL Converter →

HEX to CMYK

Convert #311D3B to CMYK:

cmyk(17%, 51%, 0%, 77%)Color Converter →

Color Meaning and Usage

A dramatic purple tone, #311D3B has RGB (49, 29, 59) and HSL (280°, 34%, 17%). Known for evoking sophistication and elegance, this very dark shade is frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #311D3B is #263A1D, creating high-contrast pairings. For softer combinations, try analogous colors like #221D3A.

Use #311D3B in CSS: color: #311D3B or background-color: #311D3B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #311D3B

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

Contrast Ratio: 1.37:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #311D3B?

#311D3B is a dramatic purple color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #311D3B?

#311D3B in RGB is (49, 29, 59) - 49 red, 29 green, and 59 blue.

How to use #311D3B in CSS?

Use #311D3B directly in your CSS properties like color or background-color.

What colors go well with #311D3B?

#263A1D (complementary), #221D3A (analogous), and #060307 (lighter shade) work well with #311D3B.