#40171F Color Information

Hex color code: #40171F

A deep red shade, #40171F appears as (64, 23, 31) in RGB and (348°, 47%, 17%) in HSL. It is commonly used in modern UI design.

Try:
Color NameBlack
HEX
#40171F
RGB
64, 23, 31
HSL
348°, 47%, 17%
CMYK
0%, 64%, 52%, 75%

Shades

CSS Usage
color: #40171F;
background-color: #40171F;
border-color: #40171F;
box-shadow: 0 0 10px #40171F;
border: 2px solid #40171F;
Tailwind Usage
bg-[#40171F]
text-[#40171F]
border-[#40171F]
shadow-[0_0_10px_40171F]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #40171F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #40171F; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #40171F; 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 #40171F; background-color: #40171F15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #40171F20; border-left: 4px solid #40171F; }

Link / Accent

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

a { color: #40171F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #40171F in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

64, 23, 31

Red: 64 / Green: 23 / Blue: 31

HSL

348°, 47%, 17%

Hue: 348° / Saturation: 47% / Lightness: 17%

CMYK

0%, 64%, 52%, 75%

Cyan: 0% / Magenta: 64% / Yellow: 52% / Key: 75%

What color is #40171F?

#40171F is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #40171F to RGB:

rgb(64, 23, 31)HEX to RGB Converter →

HEX to HSL

Convert #40171F to HSL:

hsl(348, 47%, 17%)RGB to HSL Converter →

HEX to CMYK

Convert #40171F to CMYK:

cmyk(0%, 64%, 52%, 75%)Color Converter →

Color Meaning and Usage

#40171F is a deep red color with RGB values of 64, 23, 31 and HSL of 348°, 47%, 17%. This very dark shade evokes sophistication and elegance, making it suitable for typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #40171F is #174038, creating high-contrast pairings. For softer combinations, try analogous colors like #401733.

Use #40171F in CSS: color: #40171F or background-color: #40171F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #40171F

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 #40171F?

#40171F is a deep red color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #40171F?

#40171F in RGB is (64, 23, 31) - 64 red, 23 green, and 31 blue.

How to use #40171F in CSS?

Use #40171F directly in your CSS properties like color or background-color.

What colors go well with #40171F?

#174038 (complementary), #401733 (analogous), and #070304 (lighter shade) work well with #40171F.