#121B03 Color Information

Hex color code: #121B03

A deep green shade, #121B03 appears as (18, 27, 3) in RGB and (83°, 80%, 6%) in HSL. It is commonly used in modern UI design.

Try:

Color NameBlack

HEX

#121B03

RGB

18, 27, 3

HSL

83°, 80%, 6%

CMYK

33%, 0%, 89%, 89%

Shades

CSS Usage

color: #121B03;
background-color: #121B03;
border-color: #121B03;
box-shadow: 0 0 10px #121B03;
border: 2px solid #121B03;

Tailwind Usage

bg-[#121B03]
text-[#121B03]
border-[#121B03]
shadow-[0_0_10px_121B03]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #121B03, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #121B03; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #121B03; 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 #121B03; background-color: #121B0315; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #121B0320; border-left: 4px solid #121B03; }

Link / Accent

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

a { color: #121B03; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #121B03 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

18, 27, 3

Red: 18 / Green: 27 / Blue: 3

HSL

83°, 80%, 6%

Hue: 83° / Saturation: 80% / Lightness: 6%

CMYK

33%, 0%, 89%, 89%

Cyan: 33% / Magenta: 0% / Yellow: 89% / Key: 89%

What color is #121B03?

#121B03 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

0C031C

Color Palette

HEX to RGB

Convert #121B03 to RGB:

rgb(18, 27, 3)HEX to RGB Converter →

HEX to HSL

Convert #121B03 to HSL:

hsl(83, 80%, 6%)RGB to HSL Converter →

HEX to CMYK

Convert #121B03 to CMYK:

cmyk(33%, 0%, 89%, 89%)Color Converter →

Color Meaning and Usage

A dark green tone, #121B03 has RGB (18, 27, 3) and HSL (83°, 80%, 6%). Known for evoking sophistication and elegance, this very dark shade is frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #121B03 is #0C031C, creating high-contrast pairings. For softer combinations, try analogous colors like #1C1903.

Use #121B03 in CSS: color: #121B03 or background-color: #121B03. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #121B03

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

Contrast Ratio: 1.18:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #121B03?

#121B03 is a dark green color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #121B03?

#121B03 in RGB is (18, 27, 3) - 18 red, 27 green, and 3 blue.

How to use #121B03 in CSS?

Use #121B03 directly in your CSS properties like color or background-color.

What colors go well with #121B03?

#0C031C (complementary), #1C1903 (analogous), and #000000 (lighter shade) work well with #121B03.