#1B312A Color Information

Hex color code: #1B312A

The hex color #1B312A is a dark cyan with RGB values of (27, 49, 42) and HSL of (161°, 29%, 15%). It is frequently seen in web interfaces.

Try:

Color NameDark Slate Gray

HEX

#1B312A

RGB

27, 49, 42

HSL

161°, 29%, 15%

CMYK

45%, 0%, 14%, 81%

Shades

CSS Usage

color: #1B312A;
background-color: #1B312A;
border-color: #1B312A;
box-shadow: 0 0 10px #1B312A;
border: 2px solid #1B312A;

Tailwind Usage

bg-[#1B312A]
text-[#1B312A]
border-[#1B312A]
shadow-[0_0_10px_1B312A]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #1B312A, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1B312A; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #1B312A; 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 #1B312A; background-color: #1B312A15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #1B312A20; border-left: 4px solid #1B312A; }

Link / Accent

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

a { color: #1B312A; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1B312A in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

27, 49, 42

Red: 27 / Green: 49 / Blue: 42

HSL

161°, 29%, 15%

Hue: 161° / Saturation: 29% / Lightness: 15%

CMYK

45%, 0%, 14%, 81%

Cyan: 45% / Magenta: 0% / Yellow: 14% / Key: 81%

What color is #1B312A?

#1B312A is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

311B22

Color Palette

HEX to RGB

Convert #1B312A to RGB:

rgb(27, 49, 42)HEX to RGB Converter →

HEX to HSL

Convert #1B312A to HSL:

hsl(161, 29%, 15%)RGB to HSL Converter →

HEX to CMYK

Convert #1B312A to CMYK:

cmyk(45%, 0%, 14%, 81%)Color Converter →

Color Meaning and Usage

#1B312A is a dramatic cyan color with RGB values of 27, 49, 42 and HSL of 161°, 29%, 15%. This very dark shade evokes sophistication and elegance, making it suitable for commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1B312A is #311B22, creating high-contrast pairings. For softer combinations, try analogous colors like #1B311F.

Use #1B312A in CSS: color: #1B312A or background-color: #1B312A. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1B312A

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

Contrast Ratio: 1.52:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1B312A?

#1B312A is a dramatic cyan color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #1B312A?

#1B312A in RGB is (27, 49, 42) - 27 red, 49 green, and 42 blue.

How to use #1B312A in CSS?

Use #1B312A directly in your CSS properties like color or background-color.

What colors go well with #1B312A?

#311B22 (complementary), #1B311F (analogous), and #000000 (lighter shade) work well with #1B312A.