#153731 Color Information

Hex color code: #153731

#153731 is a dramatic cyan color. In RGB it is (21, 55, 49), and in HSL it is (169°, 45%, 15%). It is typically applied in digital products.

Try:
Color NameDark Slate Gray
HEX
#153731
RGB
21, 55, 49
HSL
169°, 45%, 15%
CMYK
62%, 0%, 11%, 78%

Shades

CSS Usage
color: #153731;
background-color: #153731;
border-color: #153731;
box-shadow: 0 0 10px #153731;
border: 2px solid #153731;
Tailwind Usage
bg-[#153731]
text-[#153731]
border-[#153731]
shadow-[0_0_10px_153731]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #153731, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #153731; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #153731; 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 #153731; background-color: #15373115; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #15373120; border-left: 4px solid #153731; }

Link / Accent

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

a { color: #153731; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #153731 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

21, 55, 49

Red: 21 / Green: 55 / Blue: 49

HSL

169°, 45%, 15%

Hue: 169° / Saturation: 45% / Lightness: 15%

CMYK

62%, 0%, 11%, 78%

Cyan: 62% / Magenta: 0% / Yellow: 11% / Key: 78%

What color is #153731?

#153731 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #153731 to RGB:

rgb(21, 55, 49)HEX to RGB Converter →

HEX to HSL

Convert #153731 to HSL:

hsl(169, 45%, 15%)RGB to HSL Converter →

HEX to CMYK

Convert #153731 to CMYK:

cmyk(62%, 0%, 11%, 78%)Color Converter →

Color Meaning and Usage

#153731 is a intense cyan color with RGB values of 21, 55, 49 and HSL of 169°, 45%, 15%. This very dark shade evokes sophistication and elegance, making it suitable for a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #153731 is #37151B, creating high-contrast pairings. For softer combinations, try analogous colors like #153720.

Use #153731 in CSS: color: #153731 or background-color: #153731. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #153731

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

Contrast Ratio: 1.62:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #153731?

#153731 is a intense cyan color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #153731?

#153731 in RGB is (21, 55, 49) - 21 red, 55 green, and 49 blue.

How to use #153731 in CSS?

Use #153731 directly in your CSS properties like color or background-color.

What colors go well with #153731?

#37151B (complementary), #153720 (analogous), and #000000 (lighter shade) work well with #153731.