#428FB3 Color Information

Hex color code: #428FB3

#428FB3 is a pastel blue color. In RGB it is (66, 143, 179), and in HSL it is (199°, 46%, 48%). It is commonly used in modern UI design.

Try:

Color NameSteel Blue

HEX

#428FB3

RGB

66, 143, 179

HSL

199°, 46%, 48%

CMYK

63%, 20%, 0%, 30%

Shades

CSS Usage

color: #428FB3;
background-color: #428FB3;
border-color: #428FB3;
box-shadow: 0 0 10px #428FB3;
border: 2px solid #428FB3;

Tailwind Usage

bg-[#428FB3]
text-[#428FB3]
border-[#428FB3]
shadow-[0_0_10px_428FB3]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #428FB3, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #428FB3; color: #000000; }

Badge

New Feature

.badge { background-color: #428FB3; color: #000000; }

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 #428FB3; background-color: #428FB315; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #428FB320; border-left: 4px solid #428FB3; }

Link / Accent

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

a { color: #428FB3; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #428FB3 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

66, 143, 179

Red: 66 / Green: 143 / Blue: 179

HSL

199°, 46%, 48%

Hue: 199° / Saturation: 46% / Lightness: 48%

CMYK

63%, 20%, 0%, 30%

Cyan: 63% / Magenta: 20% / Yellow: 0% / Key: 30%

What color is #428FB3?

#428FB3 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

B36642

Color Palette

HEX to RGB

Convert #428FB3 to RGB:

rgb(66, 143, 179)HEX to RGB Converter →

HEX to HSL

Convert #428FB3 to HSL:

hsl(199, 46%, 48%)RGB to HSL Converter →

HEX to CMYK

Convert #428FB3 to CMYK:

cmyk(63%, 20%, 0%, 30%)Color Converter →

Color Meaning and Usage

A delicate blue tone, #428FB3 has RGB (66, 143, 179) and HSL (199°, 46%, 48%). Known for evoking trust and professionalism, this cyan-blue hue is typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #428FB3 is #B36642, creating high-contrast pairings. For softer combinations, try analogous colors like #42B39E.

Use #428FB3 in CSS: color: #428FB3 or background-color: #428FB3. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #428FB3

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

Contrast Ratio: 5.81:1

WCAG AA: Pass

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #428FB3?

#428FB3 is a delicate blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #428FB3?

#428FB3 in RGB is (66, 143, 179) - 66 red, 143 green, and 179 blue.

How to use #428FB3 in CSS?

Use #428FB3 directly in your CSS properties like color or background-color.

What colors go well with #428FB3?

#B36642 (complementary), #42B39E (analogous), and #2D627B (lighter shade) work well with #428FB3.