#121C17 Color Information

Hex color code: #121C17

The hex color #121C17 is a rich cyan with RGB values of (18, 28, 23) and HSL of (150°, 22%, 9%). It is often used for branding and logos.

Try:
Color NameBlack
HEX
#121C17
RGB
18, 28, 23
HSL
150°, 22%, 9%
CMYK
36%, 0%, 18%, 89%

Shades

CSS Usage
color: #121C17;
background-color: #121C17;
border-color: #121C17;
box-shadow: 0 0 10px #121C17;
border: 2px solid #121C17;
Tailwind Usage
bg-[#121C17]
text-[#121C17]
border-[#121C17]
shadow-[0_0_10px_121C17]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #121C17, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #121C17; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #121C17; 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 #121C17; background-color: #121C1715; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #121C1720; border-left: 4px solid #121C17; }

Link / Accent

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

a { color: #121C17; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #121C17 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

18, 28, 23

Red: 18 / Green: 28 / Blue: 23

HSL

150°, 22%, 9%

Hue: 150° / Saturation: 22% / Lightness: 9%

CMYK

36%, 0%, 18%, 89%

Cyan: 36% / Magenta: 0% / Yellow: 18% / Key: 89%

What color is #121C17?

#121C17 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #121C17 to RGB:

rgb(18, 28, 23)HEX to RGB Converter →

HEX to HSL

Convert #121C17 to HSL:

hsl(150, 22%, 9%)RGB to HSL Converter →

HEX to CMYK

Convert #121C17 to CMYK:

cmyk(36%, 0%, 18%, 89%)Color Converter →

Color Meaning and Usage

A rich cyan tone, #121C17 has RGB (18, 28, 23) and HSL (150°, 22%, 9%). 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 #121C17 is #1C1217, creating high-contrast pairings. For softer combinations, try analogous colors like #121C12.

Use #121C17 in CSS: color: #121C17 or background-color: #121C17. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #121C17

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 #121C17?

#121C17 is a rich cyan color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #121C17?

#121C17 in RGB is (18, 28, 23) - 18 red, 28 green, and 23 blue.

How to use #121C17 in CSS?

Use #121C17 directly in your CSS properties like color or background-color.

What colors go well with #121C17?

#1C1217 (complementary), #121C12 (analogous), and #000000 (lighter shade) work well with #121C17.