#121A21 Color Information

Hex color code: #121A21

A dramatic blue shade, #121A21 appears as (18, 26, 33) in RGB and (208°, 29%, 10%) in HSL. It is typically applied in digital products.

Try:

Color NameBlack

HEX

#121A21

RGB

18, 26, 33

HSL

208°, 29%, 10%

CMYK

45%, 21%, 0%, 87%

Shades

CSS Usage

color: #121A21;
background-color: #121A21;
border-color: #121A21;
box-shadow: 0 0 10px #121A21;
border: 2px solid #121A21;

Tailwind Usage

bg-[#121A21]
text-[#121A21]
border-[#121A21]
shadow-[0_0_10px_121A21]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #121A21, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #121A21; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #121A21; 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 #121A21; background-color: #121A2115; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #121A2120; border-left: 4px solid #121A21; }

Link / Accent

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

a { color: #121A21; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #121A21 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

18, 26, 33

Red: 18 / Green: 26 / Blue: 33

HSL

208°, 29%, 10%

Hue: 208° / Saturation: 29% / Lightness: 10%

CMYK

45%, 21%, 0%, 87%

Cyan: 45% / Magenta: 21% / Yellow: 0% / Key: 87%

What color is #121A21?

#121A21 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

211912

Color Palette

HEX to RGB

Convert #121A21 to RGB:

rgb(18, 26, 33)HEX to RGB Converter →

HEX to HSL

Convert #121A21 to HSL:

hsl(208, 29%, 10%)RGB to HSL Converter →

HEX to CMYK

Convert #121A21 to CMYK:

cmyk(45%, 21%, 0%, 87%)Color Converter →

Color Meaning and Usage

A intense blue tone, #121A21 has RGB (18, 26, 33) and HSL (208°, 29%, 10%). Known for evoking sophistication and elegance, this very dark shade is well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #121A21 is #211912, creating high-contrast pairings. For softer combinations, try analogous colors like #122120.

Use #121A21 in CSS: color: #121A21 or background-color: #121A21. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #121A21

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

Contrast Ratio: 1.20:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #121A21?

#121A21 is a intense blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #121A21?

#121A21 in RGB is (18, 26, 33) - 18 red, 26 green, and 33 blue.

How to use #121A21 in CSS?

Use #121A21 directly in your CSS properties like color or background-color.

What colors go well with #121A21?

#211912 (complementary), #122120 (analogous), and #000000 (lighter shade) work well with #121A21.