#210803 Color Information

Hex color code: #210803

A dark red shade, #210803 appears as (33, 8, 3) in RGB and (10°, 83%, 7%) in HSL. It is often used for branding and logos.

Try:

Color NameBlack

HEX

#210803

RGB

33, 8, 3

HSL

10°, 83%, 7%

CMYK

0%, 76%, 91%, 87%

Shades

CSS Usage

color: #210803;
background-color: #210803;
border-color: #210803;
box-shadow: 0 0 10px #210803;
border: 2px solid #210803;

Tailwind Usage

bg-[#210803]
text-[#210803]
border-[#210803]
shadow-[0_0_10px_210803]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #210803, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #210803; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #210803; 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 #210803; background-color: #21080315; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #21080320; border-left: 4px solid #210803; }

Link / Accent

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

a { color: #210803; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #210803 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

33, 8, 3

Red: 33 / Green: 8 / Blue: 3

HSL

10°, 83%, 7%

Hue: 10° / Saturation: 83% / Lightness: 7%

CMYK

0%, 76%, 91%, 87%

Cyan: 0% / Magenta: 76% / Yellow: 91% / Key: 87%

What color is #210803?

#210803 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

031C21

Color Palette

HEX to RGB

Convert #210803 to RGB:

rgb(33, 8, 3)HEX to RGB Converter →

HEX to HSL

Convert #210803 to HSL:

hsl(10, 83%, 7%)RGB to HSL Converter →

HEX to CMYK

Convert #210803 to CMYK:

cmyk(0%, 76%, 91%, 87%)Color Converter →

Color Meaning and Usage

A dramatic red tone, #210803 has RGB (33, 8, 3) and HSL (10°, 83%, 7%). Known for evoking sophistication and elegance, this very dark shade is popular for illustrations and friendly visual themes. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #210803 is #031C21, creating high-contrast pairings. For softer combinations, try analogous colors like #21030D.

Use #210803 in CSS: color: #210803 or background-color: #210803. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #210803

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 #210803?

#210803 is a dramatic red color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #210803?

#210803 in RGB is (33, 8, 3) - 33 red, 8 green, and 3 blue.

How to use #210803 in CSS?

Use #210803 directly in your CSS properties like color or background-color.

What colors go well with #210803?

#031C21 (complementary), #21030D (analogous), and #000000 (lighter shade) work well with #210803.