#100D3B Color Information

Hex color code: #100D3B

A deep blue shade, #100D3B appears as (16, 13, 59) in RGB and (244°, 64%, 14%) in HSL. It is commonly used in modern UI design.

Try:

Color NameBlack

HEX

#100D3B

RGB

16, 13, 59

HSL

244°, 64%, 14%

CMYK

73%, 78%, 0%, 77%

Shades

CSS Usage

color: #100D3B;
background-color: #100D3B;
border-color: #100D3B;
box-shadow: 0 0 10px #100D3B;
border: 2px solid #100D3B;

Tailwind Usage

bg-[#100D3B]
text-[#100D3B]
border-[#100D3B]
shadow-[0_0_10px_100D3B]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #100D3B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #100D3B; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #100D3B; 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 #100D3B; background-color: #100D3B15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #100D3B20; border-left: 4px solid #100D3B; }

Link / Accent

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

a { color: #100D3B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #100D3B in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

16, 13, 59

Red: 16 / Green: 13 / Blue: 59

HSL

244°, 64%, 14%

Hue: 244° / Saturation: 64% / Lightness: 14%

CMYK

73%, 78%, 0%, 77%

Cyan: 73% / Magenta: 78% / Yellow: 0% / Key: 77%

What color is #100D3B?

#100D3B is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

383B0D

Color Palette

HEX to RGB

Convert #100D3B to RGB:

rgb(16, 13, 59)HEX to RGB Converter →

HEX to HSL

Convert #100D3B to HSL:

hsl(244, 64%, 14%)RGB to HSL Converter →

HEX to CMYK

Convert #100D3B to CMYK:

cmyk(73%, 78%, 0%, 77%)Color Converter →

Color Meaning and Usage

A intense blue tone, #100D3B has RGB (16, 13, 59) and HSL (244°, 64%, 14%). Known for evoking sophistication and elegance, this very dark shade is often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #100D3B is #383B0D, creating high-contrast pairings. For softer combinations, try analogous colors like #0D213B.

Use #100D3B in CSS: color: #100D3B or background-color: #100D3B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #100D3B

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

Contrast Ratio: 1.14:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #100D3B?

#100D3B is a intense blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #100D3B?

#100D3B in RGB is (16, 13, 59) - 16 red, 13 green, and 59 blue.

How to use #100D3B in CSS?

Use #100D3B directly in your CSS properties like color or background-color.

What colors go well with #100D3B?

#383B0D (complementary), #0D213B (analogous), and #000000 (lighter shade) work well with #100D3B.