#1B4B40 Color Information

Hex color code: #1B4B40

#1B4B40 is a dramatic cyan color. In RGB it is (27, 75, 64), and in HSL it is (166°, 47%, 20%). It is typically applied in digital products.

Try:

Color NameDark Slate Gray

HEX

#1B4B40

RGB

27, 75, 64

HSL

166°, 47%, 20%

CMYK

64%, 0%, 15%, 71%

Shades

CSS Usage

color: #1B4B40;
background-color: #1B4B40;
border-color: #1B4B40;
box-shadow: 0 0 10px #1B4B40;
border: 2px solid #1B4B40;

Tailwind Usage

bg-[#1B4B40]
text-[#1B4B40]
border-[#1B4B40]
shadow-[0_0_10px_1B4B40]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #1B4B40, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1B4B40; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #1B4B40; 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 #1B4B40; background-color: #1B4B4015; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #1B4B4020; border-left: 4px solid #1B4B40; }

Link / Accent

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

a { color: #1B4B40; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1B4B40 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

27, 75, 64

Red: 27 / Green: 75 / Blue: 64

HSL

166°, 47%, 20%

Hue: 166° / Saturation: 47% / Lightness: 20%

CMYK

64%, 0%, 15%, 71%

Cyan: 64% / Magenta: 0% / Yellow: 15% / Key: 71%

What color is #1B4B40?

#1B4B40 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

4B1B26

Color Palette

HEX to RGB

Convert #1B4B40 to RGB:

rgb(27, 75, 64)HEX to RGB Converter →

HEX to HSL

Convert #1B4B40 to HSL:

hsl(166, 47%, 20%)RGB to HSL Converter →

HEX to CMYK

Convert #1B4B40 to CMYK:

cmyk(64%, 0%, 15%, 71%)Color Converter →

Color Meaning and Usage

#1B4B40 is a deep cyan color with RGB values of 27, 75, 64 and HSL of 166°, 47%, 20%. This cyan-blue hue evokes trust and professionalism, making it suitable for typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1B4B40 is #4B1B26, creating high-contrast pairings. For softer combinations, try analogous colors like #1B4B28.

Use #1B4B40 in CSS: color: #1B4B40 or background-color: #1B4B40. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1B4B40

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

Contrast Ratio: 2.13:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1B4B40?

#1B4B40 is a deep cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #1B4B40?

#1B4B40 in RGB is (27, 75, 64) - 27 red, 75 green, and 64 blue.

How to use #1B4B40 in CSS?

Use #1B4B40 directly in your CSS properties like color or background-color.

What colors go well with #1B4B40?

#4B1B26 (complementary), #1B4B28 (analogous), and #071310 (lighter shade) work well with #1B4B40.