#1B0309 Color Information

Hex color code: #1B0309

The hex color #1B0309 is a dramatic red with RGB values of (27, 3, 9) and HSL of (345°, 80%, 6%). It is typically applied in digital products.

Try:

Color NameBlack

HEX

#1B0309

RGB

27, 3, 9

HSL

345°, 80%, 6%

CMYK

0%, 89%, 67%, 89%

Shades

CSS Usage

color: #1B0309;
background-color: #1B0309;
border-color: #1B0309;
box-shadow: 0 0 10px #1B0309;
border: 2px solid #1B0309;

Tailwind Usage

bg-[#1B0309]
text-[#1B0309]
border-[#1B0309]
shadow-[0_0_10px_1B0309]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #1B0309, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1B0309; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #1B0309; 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 #1B0309; background-color: #1B030915; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #1B030920; border-left: 4px solid #1B0309; }

Link / Accent

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

a { color: #1B0309; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1B0309 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

27, 3, 9

Red: 27 / Green: 3 / Blue: 9

HSL

345°, 80%, 6%

Hue: 345° / Saturation: 80% / Lightness: 6%

CMYK

0%, 89%, 67%, 89%

Cyan: 0% / Magenta: 89% / Yellow: 67% / Key: 89%

What color is #1B0309?

#1B0309 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

031C15

Color Palette

HEX to RGB

Convert #1B0309 to RGB:

rgb(27, 3, 9)HEX to RGB Converter →

HEX to HSL

Convert #1B0309 to HSL:

hsl(345, 80%, 6%)RGB to HSL Converter →

HEX to CMYK

Convert #1B0309 to CMYK:

cmyk(0%, 89%, 67%, 89%)Color Converter →

Color Meaning and Usage

A intense red tone, #1B0309 has RGB (27, 3, 9) and HSL (345°, 80%, 6%). Known for evoking sophistication and elegance, this very dark shade is widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1B0309 is #031C15, creating high-contrast pairings. For softer combinations, try analogous colors like #1C0315.

Use #1B0309 in CSS: color: #1B0309 or background-color: #1B0309. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1B0309

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

Contrast Ratio: 1.06:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1B0309?

#1B0309 is a intense red color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #1B0309?

#1B0309 in RGB is (27, 3, 9) - 27 red, 3 green, and 9 blue.

How to use #1B0309 in CSS?

Use #1B0309 directly in your CSS properties like color or background-color.

What colors go well with #1B0309?

#031C15 (complementary), #1C0315 (analogous), and #000000 (lighter shade) work well with #1B0309.