#2121E4 Color Information

Hex color code: #2121E4

#2121E4 is a striking blue color. In RGB it is (33, 33, 228), and in HSL it is (240°, 78%, 51%). It is popular in mobile app design.

Try:

Color NameBlue

HEX

#2121E4

RGB

33, 33, 228

HSL

240°, 78%, 51%

CMYK

86%, 86%, 0%, 11%

Shades

CSS Usage

color: #2121E4;
background-color: #2121E4;
border-color: #2121E4;
box-shadow: 0 0 10px #2121E4;
border: 2px solid #2121E4;

Tailwind Usage

bg-[#2121E4]
text-[#2121E4]
border-[#2121E4]
shadow-[0_0_10px_2121E4]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #2121E4, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #2121E4; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #2121E4; 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 #2121E4; background-color: #2121E415; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #2121E420; border-left: 4px solid #2121E4; }

Link / Accent

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

a { color: #2121E4; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #2121E4 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

33, 33, 228

Red: 33 / Green: 33 / Blue: 228

HSL

240°, 78%, 51%

Hue: 240° / Saturation: 78% / Lightness: 51%

CMYK

86%, 86%, 0%, 11%

Cyan: 86% / Magenta: 86% / Yellow: 0% / Key: 11%

What color is #2121E4?

#2121E4 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

E4E421

Color Palette

HEX to RGB

Convert #2121E4 to RGB:

rgb(33, 33, 228)HEX to RGB Converter →

HEX to HSL

Convert #2121E4 to HSL:

hsl(240, 78%, 51%)RGB to HSL Converter →

HEX to CMYK

Convert #2121E4 to CMYK:

cmyk(86%, 86%, 0%, 11%)Color Converter →

Color Meaning and Usage

#2121E4 is a eye-catching blue color with RGB values of 33, 33, 228 and HSL of 240°, 78%, 51%. This blue-purple hue evokes creativity and luxury, making it suitable for a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #2121E4 is #E4E421, creating high-contrast pairings. For softer combinations, try analogous colors like #2182E4.

Use #2121E4 in CSS: color: #2121E4 or background-color: #2121E4. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #2121E4

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

Contrast Ratio: 2.40:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #2121E4?

#2121E4 is a eye-catching blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #2121E4?

#2121E4 in RGB is (33, 33, 228) - 33 red, 33 green, and 228 blue.

How to use #2121E4 in CSS?

Use #2121E4 directly in your CSS properties like color or background-color.

What colors go well with #2121E4?

#E4E421 (complementary), #2182E4 (analogous), and #1414A3 (lighter shade) work well with #2121E4.