#3F1820 Color Information

Hex color code: #3F1820

#3F1820 is a intense red color. In RGB it is (63, 24, 32), and in HSL it is (348°, 45%, 17%). It is widely used in graphic design.

Try:
Color NameDark Slate Gray
HEX
#3F1820
RGB
63, 24, 32
HSL
348°, 45%, 17%
CMYK
0%, 62%, 49%, 75%

Shades

CSS Usage
color: #3F1820;
background-color: #3F1820;
border-color: #3F1820;
box-shadow: 0 0 10px #3F1820;
border: 2px solid #3F1820;
Tailwind Usage
bg-[#3F1820]
text-[#3F1820]
border-[#3F1820]
shadow-[0_0_10px_3F1820]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #3F1820, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3F1820; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #3F1820; 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 #3F1820; background-color: #3F182015; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #3F182020; border-left: 4px solid #3F1820; }

Link / Accent

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

a { color: #3F1820; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3F1820 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

63, 24, 32

Red: 63 / Green: 24 / Blue: 32

HSL

348°, 45%, 17%

Hue: 348° / Saturation: 45% / Lightness: 17%

CMYK

0%, 62%, 49%, 75%

Cyan: 0% / Magenta: 62% / Yellow: 49% / Key: 75%

What color is #3F1820?

#3F1820 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #3F1820 to RGB:

rgb(63, 24, 32)HEX to RGB Converter →

HEX to HSL

Convert #3F1820 to HSL:

hsl(348, 45%, 17%)RGB to HSL Converter →

HEX to CMYK

Convert #3F1820 to CMYK:

cmyk(0%, 62%, 49%, 75%)Color Converter →

Color Meaning and Usage

A deep red tone, #3F1820 has RGB (63, 24, 32) and HSL (348°, 45%, 17%). Known for evoking sophistication and elegance, this very dark shade is frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3F1820 is #183F37, creating high-contrast pairings. For softer combinations, try analogous colors like #3F1833.

Use #3F1820 in CSS: color: #3F1820 or background-color: #3F1820. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3F1820

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

Contrast Ratio: 1.36:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3F1820?

#3F1820 is a deep red color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #3F1820?

#3F1820 in RGB is (63, 24, 32) - 63 red, 24 green, and 32 blue.

How to use #3F1820 in CSS?

Use #3F1820 directly in your CSS properties like color or background-color.

What colors go well with #3F1820?

#183F37 (complementary), #3F1833 (analogous), and #070304 (lighter shade) work well with #3F1820.