#0B281F Color Information

Hex color code: #0B281F

The hex color #0B281F is a deep cyan with RGB values of (11, 40, 31) and HSL of (161°, 57%, 10%). It is commonly used in modern UI design.

Try:

Color NameBlack

HEX

#0B281F

RGB

11, 40, 31

HSL

161°, 57%, 10%

CMYK

73%, 0%, 22%, 84%

Shades

CSS Usage

color: #0B281F;
background-color: #0B281F;
border-color: #0B281F;
box-shadow: 0 0 10px #0B281F;
border: 2px solid #0B281F;

Tailwind Usage

bg-[#0B281F]
text-[#0B281F]
border-[#0B281F]
shadow-[0_0_10px_0B281F]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #0B281F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #0B281F; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #0B281F; 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 #0B281F; background-color: #0B281F15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #0B281F20; border-left: 4px solid #0B281F; }

Link / Accent

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

a { color: #0B281F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #0B281F in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

11, 40, 31

Red: 11 / Green: 40 / Blue: 31

HSL

161°, 57%, 10%

Hue: 161° / Saturation: 57% / Lightness: 10%

CMYK

73%, 0%, 22%, 84%

Cyan: 73% / Magenta: 0% / Yellow: 22% / Key: 84%

What color is #0B281F?

#0B281F is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

280B14

Color Palette

HEX to RGB

Convert #0B281F to RGB:

rgb(11, 40, 31)HEX to RGB Converter →

HEX to HSL

Convert #0B281F to HSL:

hsl(161, 57%, 10%)RGB to HSL Converter →

HEX to CMYK

Convert #0B281F to CMYK:

cmyk(73%, 0%, 22%, 84%)Color Converter →

Color Meaning and Usage

A deep cyan tone, #0B281F has RGB (11, 40, 31) and HSL (161°, 57%, 10%). Known for evoking sophistication and elegance, this very dark shade is popular for illustrations and friendly visual themes. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #0B281F is #280B14, creating high-contrast pairings. For softer combinations, try analogous colors like #0B2810.

Use #0B281F in CSS: color: #0B281F or background-color: #0B281F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #0B281F

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

Contrast Ratio: 1.34:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #0B281F?

#0B281F is a deep cyan color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #0B281F?

#0B281F in RGB is (11, 40, 31) - 11 red, 40 green, and 31 blue.

How to use #0B281F in CSS?

Use #0B281F directly in your CSS properties like color or background-color.

What colors go well with #0B281F?

#280B14 (complementary), #0B2810 (analogous), and #000000 (lighter shade) work well with #0B281F.