#155139 Color Information

Hex color code: #155139

A deep cyan shade, #155139 appears as (21, 81, 57) in RGB and (156°, 59%, 20%) in HSL. It is commonly used in modern UI design.

Try:

Color NameDark Slate Gray

HEX

#155139

RGB

21, 81, 57

HSL

156°, 59%, 20%

CMYK

74%, 0%, 30%, 68%

Shades

CSS Usage

color: #155139;
background-color: #155139;
border-color: #155139;
box-shadow: 0 0 10px #155139;
border: 2px solid #155139;

Tailwind Usage

bg-[#155139]
text-[#155139]
border-[#155139]
shadow-[0_0_10px_155139]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #155139, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #155139; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #155139; 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 #155139; background-color: #15513915; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #15513920; border-left: 4px solid #155139; }

Link / Accent

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

a { color: #155139; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #155139 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

21, 81, 57

Red: 21 / Green: 81 / Blue: 57

HSL

156°, 59%, 20%

Hue: 156° / Saturation: 59% / Lightness: 20%

CMYK

74%, 0%, 30%, 68%

Cyan: 74% / Magenta: 0% / Yellow: 30% / Key: 68%

What color is #155139?

#155139 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

51152D

Color Palette

HEX to RGB

Convert #155139 to RGB:

rgb(21, 81, 57)HEX to RGB Converter →

HEX to HSL

Convert #155139 to HSL:

hsl(156, 59%, 20%)RGB to HSL Converter →

HEX to CMYK

Convert #155139 to CMYK:

cmyk(74%, 0%, 30%, 68%)Color Converter →

Color Meaning and Usage

A deep cyan tone, #155139 has RGB (21, 81, 57) and HSL (156°, 59%, 20%). Known for evoking trust and professionalism, this cyan-blue hue is commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #155139 is #51152D, creating high-contrast pairings. For softer combinations, try analogous colors like #15511B.

Use #155139 in CSS: color: #155139 or background-color: #155139. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #155139

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

Contrast Ratio: 2.27:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #155139?

#155139 is a deep cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #155139?

#155139 in RGB is (21, 81, 57) - 21 red, 81 green, and 57 blue.

How to use #155139 in CSS?

Use #155139 directly in your CSS properties like color or background-color.

What colors go well with #155139?

#51152D (complementary), #15511B (analogous), and #05140E (lighter shade) work well with #155139.