#040C1B Color Information

Hex color code: #040C1B

#040C1B is a dramatic blue color. In RGB it is (4, 12, 27), and in HSL it is (219°, 74%, 6%). It is typically applied in digital products.

Try:

Color NameBlack

HEX

#040C1B

RGB

4, 12, 27

HSL

219°, 74%, 6%

CMYK

85%, 56%, 0%, 89%

Shades

CSS Usage

color: #040C1B;
background-color: #040C1B;
border-color: #040C1B;
box-shadow: 0 0 10px #040C1B;
border: 2px solid #040C1B;

Tailwind Usage

bg-[#040C1B]
text-[#040C1B]
border-[#040C1B]
shadow-[0_0_10px_040C1B]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #040C1B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #040C1B; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #040C1B; 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 #040C1B; background-color: #040C1B15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #040C1B20; border-left: 4px solid #040C1B; }

Link / Accent

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

a { color: #040C1B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #040C1B in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

4, 12, 27

Red: 4 / Green: 12 / Blue: 27

HSL

219°, 74%, 6%

Hue: 219° / Saturation: 74% / Lightness: 6%

CMYK

85%, 56%, 0%, 89%

Cyan: 85% / Magenta: 56% / Yellow: 0% / Key: 89%

What color is #040C1B?

#040C1B is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

1B1304

Color Palette

HEX to RGB

Convert #040C1B to RGB:

rgb(4, 12, 27)HEX to RGB Converter →

HEX to HSL

Convert #040C1B to HSL:

hsl(219, 74%, 6%)RGB to HSL Converter →

HEX to CMYK

Convert #040C1B to CMYK:

cmyk(85%, 56%, 0%, 89%)Color Converter →

Color Meaning and Usage

#040C1B is a dramatic blue color with RGB values of 4, 12, 27 and HSL of 219°, 74%, 6%. 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 #040C1B is #1B1304, creating high-contrast pairings. For softer combinations, try analogous colors like #04171B.

Use #040C1B in CSS: color: #040C1B or background-color: #040C1B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #040C1B

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

Contrast Ratio: 1.07:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #040C1B?

#040C1B is a dramatic blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #040C1B?

#040C1B in RGB is (4, 12, 27) - 4 red, 12 green, and 27 blue.

How to use #040C1B in CSS?

Use #040C1B directly in your CSS properties like color or background-color.

What colors go well with #040C1B?

#1B1304 (complementary), #04171B (analogous), and #000000 (lighter shade) work well with #040C1B.