#0400FF Color Information

Hex color code: #0400FF

#0400FF is a dynamic blue color. In RGB it is (4, 0, 255), and in HSL it is (241°, 100%, 50%). It is typically applied in digital products.

Try:

Color NameBlue

HEX

#0400FF

RGB

4, 0, 255

HSL

241°, 100%, 50%

CMYK

98%, 100%, 0%, 0%

Shades

CSS Usage

color: #0400FF;
background-color: #0400FF;
border-color: #0400FF;
box-shadow: 0 0 10px #0400FF;
border: 2px solid #0400FF;

Tailwind Usage

bg-[#0400FF]
text-[#0400FF]
border-[#0400FF]
shadow-[0_0_10px_0400FF]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #0400FF, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #0400FF; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #0400FF; 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 #0400FF; background-color: #0400FF15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #0400FF20; border-left: 4px solid #0400FF; }

Link / Accent

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

a { color: #0400FF; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #0400FF in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

4, 0, 255

Red: 4 / Green: 0 / Blue: 255

HSL

241°, 100%, 50%

Hue: 241° / Saturation: 100% / Lightness: 50%

CMYK

98%, 100%, 0%, 0%

Cyan: 98% / Magenta: 100% / Yellow: 0% / Key: 0%

What color is #0400FF?

#0400FF is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

FBFF00

Color Palette

HEX to RGB

Convert #0400FF to RGB:

rgb(4, 0, 255)HEX to RGB Converter →

HEX to HSL

Convert #0400FF to HSL:

hsl(241, 100%, 50%)RGB to HSL Converter →

HEX to CMYK

Convert #0400FF to CMYK:

cmyk(98%, 100%, 0%, 0%)Color Converter →

Color Meaning and Usage

#0400FF is a eye-catching blue color with RGB values of 4, 0, 255 and HSL of 241°, 100%, 50%. This highly saturated hue evokes energy and excitement, making it suitable for popular in mobile app design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #0400FF is #FBFF00, creating high-contrast pairings. For softer combinations, try analogous colors like #007BFF.

Use #0400FF in CSS: color: #0400FF or background-color: #0400FF. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #0400FF

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

Contrast Ratio: 2.45:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #0400FF?

#0400FF is a eye-catching blue color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #0400FF?

#0400FF in RGB is (4, 0, 255) - 4 red, 0 green, and 255 blue.

How to use #0400FF in CSS?

Use #0400FF directly in your CSS properties like color or background-color.

What colors go well with #0400FF?

#FBFF00 (complementary), #007BFF (analogous), and #0300B3 (lighter shade) work well with #0400FF.