#421EB8 Color Information

Hex color code: #421EB8

#421EB8 is a vivid blue color. In RGB it is (66, 30, 184), and in HSL it is (254°, 72%, 42%). It is commonly used in modern UI design.

Try:
Color NameRebecca Purple
HEX
#421EB8
RGB
66, 30, 184
HSL
254°, 72%, 42%
CMYK
64%, 84%, 0%, 28%

Shades

CSS Usage
color: #421EB8;
background-color: #421EB8;
border-color: #421EB8;
box-shadow: 0 0 10px #421EB8;
border: 2px solid #421EB8;
Tailwind Usage
bg-[#421EB8]
text-[#421EB8]
border-[#421EB8]
shadow-[0_0_10px_421EB8]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #421EB8, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #421EB8; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #421EB8; 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 #421EB8; background-color: #421EB815; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #421EB820; border-left: 4px solid #421EB8; }

Link / Accent

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

a { color: #421EB8; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #421EB8 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

66, 30, 184

Red: 66 / Green: 30 / Blue: 184

HSL

254°, 72%, 42%

Hue: 254° / Saturation: 72% / Lightness: 42%

CMYK

64%, 84%, 0%, 28%

Cyan: 64% / Magenta: 84% / Yellow: 0% / Key: 28%

What color is #421EB8?

#421EB8 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #421EB8 to RGB:

rgb(66, 30, 184)HEX to RGB Converter →

HEX to HSL

Convert #421EB8 to HSL:

hsl(254, 72%, 42%)RGB to HSL Converter →

HEX to CMYK

Convert #421EB8 to CMYK:

cmyk(64%, 84%, 0%, 28%)Color Converter →

Color Meaning and Usage

#421EB8 is a vivid blue color with RGB values of 66, 30, 184 and HSL of 254°, 72%, 42%. This blue-purple hue evokes creativity and luxury, making it suitable for often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #421EB8 is #94B81E, creating high-contrast pairings. For softer combinations, try analogous colors like #1E47B8.

Use #421EB8 in CSS: color: #421EB8 or background-color: #421EB8. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #421EB8

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

Contrast Ratio: 2.11:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #421EB8?

#421EB8 is a vivid blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #421EB8?

#421EB8 in RGB is (66, 30, 184) - 66 red, 30 green, and 184 blue.

How to use #421EB8 in CSS?

Use #421EB8 directly in your CSS properties like color or background-color.

What colors go well with #421EB8?

#94B81E (complementary), #1E47B8 (analogous), and #2A1376 (lighter shade) work well with #421EB8.