#15212E Color Information

Hex color code: #15212E

A dramatic blue shade, #15212E appears as (21, 33, 46) in RGB and (211°, 37%, 13%) in HSL. It is widely used in graphic design.

Try:

Color NameBlack

HEX

#15212E

RGB

21, 33, 46

HSL

211°, 37%, 13%

CMYK

54%, 28%, 0%, 82%

Shades

CSS Usage

color: #15212E;
background-color: #15212E;
border-color: #15212E;
box-shadow: 0 0 10px #15212E;
border: 2px solid #15212E;

Tailwind Usage

bg-[#15212E]
text-[#15212E]
border-[#15212E]
shadow-[0_0_10px_15212E]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #15212E, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #15212E; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #15212E; 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 #15212E; background-color: #15212E15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #15212E20; border-left: 4px solid #15212E; }

Link / Accent

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

a { color: #15212E; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #15212E in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

21, 33, 46

Red: 21 / Green: 33 / Blue: 46

HSL

211°, 37%, 13%

Hue: 211° / Saturation: 37% / Lightness: 13%

CMYK

54%, 28%, 0%, 82%

Cyan: 54% / Magenta: 28% / Yellow: 0% / Key: 82%

What color is #15212E?

#15212E is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

2D2215

Color Palette

HEX to RGB

Convert #15212E to RGB:

rgb(21, 33, 46)HEX to RGB Converter →

HEX to HSL

Convert #15212E to HSL:

hsl(211, 37%, 13%)RGB to HSL Converter →

HEX to CMYK

Convert #15212E to CMYK:

cmyk(54%, 28%, 0%, 82%)Color Converter →

Color Meaning and Usage

#15212E is a dramatic blue color with RGB values of 21, 33, 46 and HSL of 211°, 37%, 13%. This very dark shade evokes sophistication and elegance, making it suitable for frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #15212E is #2D2215, creating high-contrast pairings. For softer combinations, try analogous colors like #152D2D.

Use #15212E in CSS: color: #15212E or background-color: #15212E. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #15212E

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 #15212E?

#15212E is a dramatic blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #15212E?

#15212E in RGB is (21, 33, 46) - 21 red, 33 green, and 46 blue.

How to use #15212E in CSS?

Use #15212E directly in your CSS properties like color or background-color.

What colors go well with #15212E?

#2D2215 (complementary), #152D2D (analogous), and #000000 (lighter shade) work well with #15212E.