#15231E Color Information

Hex color code: #15231E

A intense cyan shade, #15231E appears as (21, 35, 30) in RGB and (159°, 25%, 11%) in HSL. It is popular in mobile app design.

Try:
Color NameBlack
HEX
#15231E
RGB
21, 35, 30
HSL
159°, 25%, 11%
CMYK
40%, 0%, 14%, 86%

Shades

CSS Usage
color: #15231E;
background-color: #15231E;
border-color: #15231E;
box-shadow: 0 0 10px #15231E;
border: 2px solid #15231E;
Tailwind Usage
bg-[#15231E]
text-[#15231E]
border-[#15231E]
shadow-[0_0_10px_15231E]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #15231E, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #15231E; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #15231E; 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 #15231E; background-color: #15231E15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #15231E20; border-left: 4px solid #15231E; }

Link / Accent

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

a { color: #15231E; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #15231E in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

21, 35, 30

Red: 21 / Green: 35 / Blue: 30

HSL

159°, 25%, 11%

Hue: 159° / Saturation: 25% / Lightness: 11%

CMYK

40%, 0%, 14%, 86%

Cyan: 40% / Magenta: 0% / Yellow: 14% / Key: 86%

What color is #15231E?

#15231E is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #15231E to RGB:

rgb(21, 35, 30)HEX to RGB Converter →

HEX to HSL

Convert #15231E to HSL:

hsl(159, 25%, 11%)RGB to HSL Converter →

HEX to CMYK

Convert #15231E to CMYK:

cmyk(40%, 0%, 14%, 86%)Color Converter →

Color Meaning and Usage

A rich cyan tone, #15231E has RGB (21, 35, 30) and HSL (159°, 25%, 11%). Known for evoking sophistication and elegance, this very dark shade is typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #15231E is #23151A, creating high-contrast pairings. For softer combinations, try analogous colors like #152317.

Use #15231E in CSS: color: #15231E or background-color: #15231E. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #15231E

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

Contrast Ratio: 1.29:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #15231E?

#15231E is a rich cyan color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #15231E?

#15231E in RGB is (21, 35, 30) - 21 red, 35 green, and 30 blue.

How to use #15231E in CSS?

Use #15231E directly in your CSS properties like color or background-color.

What colors go well with #15231E?

#23151A (complementary), #152317 (analogous), and #000000 (lighter shade) work well with #15231E.