#040B24 Color Information

Hex color code: #040B24

A dark blue shade, #040B24 appears as (4, 11, 36) in RGB and (227°, 80%, 8%) in HSL. It is frequently seen in web interfaces.

Try:
Color NameBlack
HEX
#040B24
RGB
4, 11, 36
HSL
227°, 80%, 8%
CMYK
89%, 69%, 0%, 86%

Shades

CSS Usage
color: #040B24;
background-color: #040B24;
border-color: #040B24;
box-shadow: 0 0 10px #040B24;
border: 2px solid #040B24;
Tailwind Usage
bg-[#040B24]
text-[#040B24]
border-[#040B24]
shadow-[0_0_10px_040B24]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #040B24, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #040B24; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #040B24; 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 #040B24; background-color: #040B2415; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #040B2420; border-left: 4px solid #040B24; }

Link / Accent

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

a { color: #040B24; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #040B24 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

4, 11, 36

Red: 4 / Green: 11 / Blue: 36

HSL

227°, 80%, 8%

Hue: 227° / Saturation: 80% / Lightness: 8%

CMYK

89%, 69%, 0%, 86%

Cyan: 89% / Magenta: 69% / Yellow: 0% / Key: 86%

What color is #040B24?

#040B24 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #040B24 to RGB:

rgb(4, 11, 36)HEX to RGB Converter →

HEX to HSL

Convert #040B24 to HSL:

hsl(227, 80%, 8%)RGB to HSL Converter →

HEX to CMYK

Convert #040B24 to CMYK:

cmyk(89%, 69%, 0%, 86%)Color Converter →

Color Meaning and Usage

A rich blue tone, #040B24 has RGB (4, 11, 36) and HSL (227°, 80%, 8%). Known for evoking sophistication and elegance, this very dark shade is popular in mobile app design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #040B24 is #251E04, creating high-contrast pairings. For softer combinations, try analogous colors like #041B25.

Use #040B24 in CSS: color: #040B24 or background-color: #040B24. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #040B24

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

Contrast Ratio: 1.08:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #040B24?

#040B24 is a rich blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #040B24?

#040B24 in RGB is (4, 11, 36) - 4 red, 11 green, and 36 blue.

How to use #040B24 in CSS?

Use #040B24 directly in your CSS properties like color or background-color.

What colors go well with #040B24?

#251E04 (complementary), #041B25 (analogous), and #000000 (lighter shade) work well with #040B24.