#040D15 Color Information

Hex color code: #040D15

The hex color #040D15 is a deep blue with RGB values of (4, 13, 21) and HSL of (208°, 68%, 5%). It is commonly used in modern UI design.

Try:

Color NameBlack

HEX

#040D15

RGB

4, 13, 21

HSL

208°, 68%, 5%

CMYK

81%, 38%, 0%, 92%

Shades

CSS Usage

color: #040D15;
background-color: #040D15;
border-color: #040D15;
box-shadow: 0 0 10px #040D15;
border: 2px solid #040D15;

Tailwind Usage

bg-[#040D15]
text-[#040D15]
border-[#040D15]
shadow-[0_0_10px_040D15]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #040D15, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #040D15; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #040D15; 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 #040D15; background-color: #040D1515; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #040D1520; border-left: 4px solid #040D15; }

Link / Accent

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

a { color: #040D15; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #040D15 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

4, 13, 21

Red: 4 / Green: 13 / Blue: 21

HSL

208°, 68%, 5%

Hue: 208° / Saturation: 68% / Lightness: 5%

CMYK

81%, 38%, 0%, 92%

Cyan: 81% / Magenta: 38% / Yellow: 0% / Key: 92%

What color is #040D15?

#040D15 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

150C04

Color Palette

HEX to RGB

Convert #040D15 to RGB:

rgb(4, 13, 21)HEX to RGB Converter →

HEX to HSL

Convert #040D15 to HSL:

hsl(208, 68%, 5%)RGB to HSL Converter →

HEX to CMYK

Convert #040D15 to CMYK:

cmyk(81%, 38%, 0%, 92%)Color Converter →

Color Meaning and Usage

A dramatic blue tone, #040D15 has RGB (4, 13, 21) and HSL (208°, 68%, 5%). Known for evoking sophistication and elegance, this very dark shade is frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #040D15 is #150C04, creating high-contrast pairings. For softer combinations, try analogous colors like #041515.

Use #040D15 in CSS: color: #040D15 or background-color: #040D15. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #040D15

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 #040D15?

#040D15 is a dramatic blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #040D15?

#040D15 in RGB is (4, 13, 21) - 4 red, 13 green, and 21 blue.

How to use #040D15 in CSS?

Use #040D15 directly in your CSS properties like color or background-color.

What colors go well with #040D15?

#150C04 (complementary), #041515 (analogous), and #000000 (lighter shade) work well with #040D15.