#040D2A Color Information

Hex color code: #040D2A

A dark blue shade, #040D2A appears as (4, 13, 42) in RGB and (226°, 83%, 9%) in HSL. It is frequently seen in web interfaces.

Try:

Color NameBlack

HEX

#040D2A

RGB

4, 13, 42

HSL

226°, 83%, 9%

CMYK

90%, 69%, 0%, 84%

Shades

CSS Usage

color: #040D2A;
background-color: #040D2A;
border-color: #040D2A;
box-shadow: 0 0 10px #040D2A;
border: 2px solid #040D2A;

Tailwind Usage

bg-[#040D2A]
text-[#040D2A]
border-[#040D2A]
shadow-[0_0_10px_040D2A]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #040D2A, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #040D2A; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #040D2A; 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 #040D2A; background-color: #040D2A15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #040D2A20; border-left: 4px solid #040D2A; }

Link / Accent

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

a { color: #040D2A; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #040D2A in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

4, 13, 42

Red: 4 / Green: 13 / Blue: 42

HSL

226°, 83%, 9%

Hue: 226° / Saturation: 83% / Lightness: 9%

CMYK

90%, 69%, 0%, 84%

Cyan: 90% / Magenta: 69% / Yellow: 0% / Key: 84%

What color is #040D2A?

#040D2A is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

2A2104

Color Palette

HEX to RGB

Convert #040D2A to RGB:

rgb(4, 13, 42)HEX to RGB Converter →

HEX to HSL

Convert #040D2A to HSL:

hsl(226, 83%, 9%)RGB to HSL Converter →

HEX to CMYK

Convert #040D2A to CMYK:

cmyk(90%, 69%, 0%, 84%)Color Converter →

Color Meaning and Usage

A dark blue tone, #040D2A has RGB (4, 13, 42) and HSL (226°, 83%, 9%). Known for evoking sophistication and elegance, this very dark shade is a common choice for dashboards and SaaS products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #040D2A is #2A2104, creating high-contrast pairings. For softer combinations, try analogous colors like #04202A.

Use #040D2A in CSS: color: #040D2A or background-color: #040D2A. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #040D2A

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

Contrast Ratio: 1.10:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #040D2A?

#040D2A is a dark blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #040D2A?

#040D2A in RGB is (4, 13, 42) - 4 red, 13 green, and 42 blue.

How to use #040D2A in CSS?

Use #040D2A directly in your CSS properties like color or background-color.

What colors go well with #040D2A?

#2A2104 (complementary), #04202A (analogous), and #000000 (lighter shade) work well with #040D2A.