#21202D Color Information

Hex color code: #21202D

The hex color #21202D is a rich blue with RGB values of (33, 32, 45) and HSL of (245°, 17%, 15%). It is popular in mobile app design.

Try:

Color NameDark Slate Gray

HEX

#21202D

RGB

33, 32, 45

HSL

245°, 17%, 15%

CMYK

27%, 29%, 0%, 82%

Shades

CSS Usage

color: #21202D;
background-color: #21202D;
border-color: #21202D;
box-shadow: 0 0 10px #21202D;
border: 2px solid #21202D;

Tailwind Usage

bg-[#21202D]
text-[#21202D]
border-[#21202D]
shadow-[0_0_10px_21202D]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #21202D, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #21202D; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #21202D; 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 #21202D; background-color: #21202D15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #21202D20; border-left: 4px solid #21202D; }

Link / Accent

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

a { color: #21202D; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #21202D in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

33, 32, 45

Red: 33 / Green: 32 / Blue: 45

HSL

245°, 17%, 15%

Hue: 245° / Saturation: 17% / Lightness: 15%

CMYK

27%, 29%, 0%, 82%

Cyan: 27% / Magenta: 29% / Yellow: 0% / Key: 82%

What color is #21202D?

#21202D is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

2C2D20

Color Palette

HEX to RGB

Convert #21202D to RGB:

rgb(33, 32, 45)HEX to RGB Converter →

HEX to HSL

Convert #21202D to HSL:

hsl(245, 17%, 15%)RGB to HSL Converter →

HEX to CMYK

Convert #21202D to CMYK:

cmyk(27%, 29%, 0%, 82%)Color Converter →

Color Meaning and Usage

#21202D is a dramatic blue color with RGB values of 33, 32, 45 and HSL of 245°, 17%, 15%. This very dark shade evokes sophistication and elegance, making it suitable for popular in mobile app design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #21202D is #2C2D20, creating high-contrast pairings. For softer combinations, try analogous colors like #20252D.

Use #21202D in CSS: color: #21202D or background-color: #21202D. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #21202D

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

Contrast Ratio: 1.31:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #21202D?

#21202D is a dramatic blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #21202D?

#21202D in RGB is (33, 32, 45) - 33 red, 32 green, and 45 blue.

How to use #21202D in CSS?

Use #21202D directly in your CSS properties like color or background-color.

What colors go well with #21202D?

#2C2D20 (complementary), #20252D (analogous), and #000000 (lighter shade) work well with #21202D.