#1B3B38 Color Information

Hex color code: #1B3B38

The hex color #1B3B38 is a intense cyan with RGB values of (27, 59, 56) and HSL of (174°, 37%, 17%). It is popular in mobile app design.

Try:

Color NameDark Slate Gray

HEX

#1B3B38

RGB

27, 59, 56

HSL

174°, 37%, 17%

CMYK

54%, 0%, 5%, 77%

Shades

CSS Usage

color: #1B3B38;
background-color: #1B3B38;
border-color: #1B3B38;
box-shadow: 0 0 10px #1B3B38;
border: 2px solid #1B3B38;

Tailwind Usage

bg-[#1B3B38]
text-[#1B3B38]
border-[#1B3B38]
shadow-[0_0_10px_1B3B38]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #1B3B38, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1B3B38; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #1B3B38; 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 #1B3B38; background-color: #1B3B3815; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #1B3B3820; border-left: 4px solid #1B3B38; }

Link / Accent

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

a { color: #1B3B38; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1B3B38 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

27, 59, 56

Red: 27 / Green: 59 / Blue: 56

HSL

174°, 37%, 17%

Hue: 174° / Saturation: 37% / Lightness: 17%

CMYK

54%, 0%, 5%, 77%

Cyan: 54% / Magenta: 0% / Yellow: 5% / Key: 77%

What color is #1B3B38?

#1B3B38 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

3B1B1F

Color Palette

HEX to RGB

Convert #1B3B38 to RGB:

rgb(27, 59, 56)HEX to RGB Converter →

HEX to HSL

Convert #1B3B38 to HSL:

hsl(174, 37%, 17%)RGB to HSL Converter →

HEX to CMYK

Convert #1B3B38 to CMYK:

cmyk(54%, 0%, 5%, 77%)Color Converter →

Color Meaning and Usage

#1B3B38 is a dark cyan color with RGB values of 27, 59, 56 and HSL of 174°, 37%, 17%. This very dark shade evokes sophistication and elegance, making it suitable for widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1B3B38 is #3B1B1F, creating high-contrast pairings. For softer combinations, try analogous colors like #1B3B28.

Use #1B3B38 in CSS: color: #1B3B38 or background-color: #1B3B38. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1B3B38

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

Contrast Ratio: 1.73:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1B3B38?

#1B3B38 is a dark cyan color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #1B3B38?

#1B3B38 in RGB is (27, 59, 56) - 27 red, 59 green, and 56 blue.

How to use #1B3B38 in CSS?

Use #1B3B38 directly in your CSS properties like color or background-color.

What colors go well with #1B3B38?

#3B1B1F (complementary), #1B3B28 (analogous), and #030707 (lighter shade) work well with #1B3B38.