#3A4040 Color Information

Hex color code: #3A4040

A dramatic cyan shade, #3A4040 appears as (58, 64, 64) in RGB and (180°, 5%, 24%) in HSL. It is widely used in graphic design.

Try:

Color NameDark Slate Gray

HEX

#3A4040

RGB

58, 64, 64

HSL

180°, 5%, 24%

CMYK

9%, 0%, 0%, 75%

Shades

CSS Usage

color: #3A4040;
background-color: #3A4040;
border-color: #3A4040;
box-shadow: 0 0 10px #3A4040;
border: 2px solid #3A4040;

Tailwind Usage

bg-[#3A4040]
text-[#3A4040]
border-[#3A4040]
shadow-[0_0_10px_3A4040]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #3A4040, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3A4040; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #3A4040; 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 #3A4040; background-color: #3A404015; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #3A404020; border-left: 4px solid #3A4040; }

Link / Accent

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

a { color: #3A4040; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3A4040 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

58, 64, 64

Red: 58 / Green: 64 / Blue: 64

HSL

180°, 5%, 24%

Hue: 180° / Saturation: 5% / Lightness: 24%

CMYK

9%, 0%, 0%, 75%

Cyan: 9% / Magenta: 0% / Yellow: 0% / Key: 75%

What color is #3A4040?

#3A4040 is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

403A3A

Color Palette

HEX to RGB

Convert #3A4040 to RGB:

rgb(58, 64, 64)HEX to RGB Converter →

HEX to HSL

Convert #3A4040 to HSL:

hsl(180, 5%, 24%)RGB to HSL Converter →

HEX to CMYK

Convert #3A4040 to CMYK:

cmyk(9%, 0%, 0%, 75%)Color Converter →

Color Meaning and Usage

A deep cyan tone, #3A4040 has RGB (58, 64, 64) and HSL (180°, 5%, 24%). Known for evoking balance and subtlety, this desaturated neutral is commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3A4040 is #403A3A, creating high-contrast pairings. For softer combinations, try analogous colors like #3A403D.

Use #3A4040 in CSS: color: #3A4040 or background-color: #3A4040. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3A4040

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

Contrast Ratio: 1.99:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3A4040?

#3A4040 is a deep cyan color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #3A4040?

#3A4040 in RGB is (58, 64, 64) - 58 red, 64 green, and 64 blue.

How to use #3A4040 in CSS?

Use #3A4040 directly in your CSS properties like color or background-color.

What colors go well with #3A4040?

#403A3A (complementary), #3A403D (analogous), and #161818 (lighter shade) work well with #3A4040.