#23311B Color Information

Hex color code: #23311B

A rich green shade, #23311B appears as (35, 49, 27) in RGB and (98°, 29%, 15%) in HSL. It is often used for branding and logos.

Try:
Color NameDark Slate Gray
HEX
#23311B
RGB
35, 49, 27
HSL
98°, 29%, 15%
CMYK
29%, 0%, 45%, 81%

Shades

CSS Usage
color: #23311B;
background-color: #23311B;
border-color: #23311B;
box-shadow: 0 0 10px #23311B;
border: 2px solid #23311B;
Tailwind Usage
bg-[#23311B]
text-[#23311B]
border-[#23311B]
shadow-[0_0_10px_23311B]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #23311B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #23311B; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #23311B; 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 #23311B; background-color: #23311B15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #23311B20; border-left: 4px solid #23311B; }

Link / Accent

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

a { color: #23311B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #23311B in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

35, 49, 27

Red: 35 / Green: 49 / Blue: 27

HSL

98°, 29%, 15%

Hue: 98° / Saturation: 29% / Lightness: 15%

CMYK

29%, 0%, 45%, 81%

Cyan: 29% / Magenta: 0% / Yellow: 45% / Key: 81%

What color is #23311B?

#23311B is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #23311B to RGB:

rgb(35, 49, 27)HEX to RGB Converter →

HEX to HSL

Convert #23311B to HSL:

hsl(98, 29%, 15%)RGB to HSL Converter →

HEX to CMYK

Convert #23311B to CMYK:

cmyk(29%, 0%, 45%, 81%)Color Converter →

Color Meaning and Usage

A deep green tone, #23311B has RGB (35, 49, 27) and HSL (98°, 29%, 15%). 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 #23311B is #291B31, creating high-contrast pairings. For softer combinations, try analogous colors like #2E311B.

Use #23311B in CSS: color: #23311B or background-color: #23311B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #23311B

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

Contrast Ratio: 1.53:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #23311B?

#23311B is a deep green color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #23311B?

#23311B in RGB is (35, 49, 27) - 35 red, 49 green, and 27 blue.

How to use #23311B in CSS?

Use #23311B directly in your CSS properties like color or background-color.

What colors go well with #23311B?

#291B31 (complementary), #2E311B (analogous), and #000000 (lighter shade) work well with #23311B.