#040B09 Color Information

Hex color code: #040B09

#040B09 is a intense cyan color. In RGB it is (4, 11, 9), and in HSL it is (163°, 47%, 3%). It is widely used in graphic design.

Try:

Color NameBlack

HEX

#040B09

RGB

4, 11, 9

HSL

163°, 47%, 3%

CMYK

64%, 0%, 18%, 96%

Shades

CSS Usage

color: #040B09;
background-color: #040B09;
border-color: #040B09;
box-shadow: 0 0 10px #040B09;
border: 2px solid #040B09;

Tailwind Usage

bg-[#040B09]
text-[#040B09]
border-[#040B09]
shadow-[0_0_10px_040B09]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #040B09, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #040B09; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #040B09; 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 #040B09; background-color: #040B0915; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #040B0920; border-left: 4px solid #040B09; }

Link / Accent

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

a { color: #040B09; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #040B09 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

4, 11, 9

Red: 4 / Green: 11 / Blue: 9

HSL

163°, 47%, 3%

Hue: 163° / Saturation: 47% / Lightness: 3%

CMYK

64%, 0%, 18%, 96%

Cyan: 64% / Magenta: 0% / Yellow: 18% / Key: 96%

What color is #040B09?

#040B09 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

0B0406

Color Palette

HEX to RGB

Convert #040B09 to RGB:

rgb(4, 11, 9)HEX to RGB Converter →

HEX to HSL

Convert #040B09 to HSL:

hsl(163, 47%, 3%)RGB to HSL Converter →

HEX to CMYK

Convert #040B09 to CMYK:

cmyk(64%, 0%, 18%, 96%)Color Converter →

Color Meaning and Usage

#040B09 is a dark cyan color with RGB values of 4, 11, 9 and HSL of 163°, 47%, 3%. This very dark shade evokes sophistication and elegance, making it suitable for popular for illustrations and friendly visual themes. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #040B09 is #0B0406, creating high-contrast pairings. For softer combinations, try analogous colors like #040B06.

Use #040B09 in CSS: color: #040B09 or background-color: #040B09. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #040B09

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 #040B09?

#040B09 is a dark cyan color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #040B09?

#040B09 in RGB is (4, 11, 9) - 4 red, 11 green, and 9 blue.

How to use #040B09 in CSS?

Use #040B09 directly in your CSS properties like color or background-color.

What colors go well with #040B09?

#0B0406 (complementary), #040B06 (analogous), and #000000 (lighter shade) work well with #040B09.