#421F23 Color Information

Hex color code: #421F23

The hex color #421F23 is a dramatic red with RGB values of (66, 31, 35) and HSL of (353°, 36%, 19%). It is widely used in graphic design.

Try:
Color NameDark Slate Gray
HEX
#421F23
RGB
66, 31, 35
HSL
353°, 36%, 19%
CMYK
0%, 53%, 47%, 74%

Shades

CSS Usage
color: #421F23;
background-color: #421F23;
border-color: #421F23;
box-shadow: 0 0 10px #421F23;
border: 2px solid #421F23;
Tailwind Usage
bg-[#421F23]
text-[#421F23]
border-[#421F23]
shadow-[0_0_10px_421F23]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #421F23, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #421F23; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #421F23; 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 #421F23; background-color: #421F2315; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #421F2320; border-left: 4px solid #421F23; }

Link / Accent

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

a { color: #421F23; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #421F23 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

66, 31, 35

Red: 66 / Green: 31 / Blue: 35

HSL

353°, 36%, 19%

Hue: 353° / Saturation: 36% / Lightness: 19%

CMYK

0%, 53%, 47%, 74%

Cyan: 0% / Magenta: 53% / Yellow: 47% / Key: 74%

What color is #421F23?

#421F23 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #421F23 to RGB:

rgb(66, 31, 35)HEX to RGB Converter →

HEX to HSL

Convert #421F23 to HSL:

hsl(353, 36%, 19%)RGB to HSL Converter →

HEX to CMYK

Convert #421F23 to CMYK:

cmyk(0%, 53%, 47%, 74%)Color Converter →

Color Meaning and Usage

A deep red tone, #421F23 has RGB (66, 31, 35) and HSL (353°, 36%, 19%). 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 #421F23 is #1F423E, creating high-contrast pairings. For softer combinations, try analogous colors like #421F35.

Use #421F23 in CSS: color: #421F23 or background-color: #421F23. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #421F23

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

Contrast Ratio: 1.45:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #421F23?

#421F23 is a deep red color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #421F23?

#421F23 in RGB is (66, 31, 35) - 66 red, 31 green, and 35 blue.

How to use #421F23 in CSS?

Use #421F23 directly in your CSS properties like color or background-color.

What colors go well with #421F23?

#1F423E (complementary), #421F35 (analogous), and #0E0707 (lighter shade) work well with #421F23.