#423F5A Color Information

Hex color code: #423F5A

The hex color #423F5A is a neutral blue with RGB values of (66, 63, 90) and HSL of (247°, 18%, 30%). It is commonly used in modern UI design.

Try:
Color NameDark Slate Gray
HEX
#423F5A
RGB
66, 63, 90
HSL
247°, 18%, 30%
CMYK
27%, 30%, 0%, 65%

Shades

CSS Usage
color: #423F5A;
background-color: #423F5A;
border-color: #423F5A;
box-shadow: 0 0 10px #423F5A;
border: 2px solid #423F5A;
Tailwind Usage
bg-[#423F5A]
text-[#423F5A]
border-[#423F5A]
shadow-[0_0_10px_423F5A]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #423F5A, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #423F5A; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #423F5A; 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 #423F5A; background-color: #423F5A15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #423F5A20; border-left: 4px solid #423F5A; }

Link / Accent

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

a { color: #423F5A; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #423F5A in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

66, 63, 90

Red: 66 / Green: 63 / Blue: 90

HSL

247°, 18%, 30%

Hue: 247° / Saturation: 18% / Lightness: 30%

CMYK

27%, 30%, 0%, 65%

Cyan: 27% / Magenta: 30% / Yellow: 0% / Key: 65%

What color is #423F5A?

#423F5A is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #423F5A to RGB:

rgb(66, 63, 90)HEX to RGB Converter →

HEX to HSL

Convert #423F5A to HSL:

hsl(247, 18%, 30%)RGB to HSL Converter →

HEX to CMYK

Convert #423F5A to CMYK:

cmyk(27%, 30%, 0%, 65%)Color Converter →

Color Meaning and Usage

A balanced blue tone, #423F5A has RGB (66, 63, 90) and HSL (247°, 18%, 30%). Known for evoking creativity and luxury, this blue-purple hue is popular in mobile app design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #423F5A is #575A3F, creating high-contrast pairings. For softer combinations, try analogous colors like #3F495A.

Use #423F5A in CSS: color: #423F5A or background-color: #423F5A. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #423F5A

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

Contrast Ratio: 2.09:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #423F5A?

#423F5A is a balanced blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #423F5A?

#423F5A in RGB is (66, 63, 90) - 66 red, 63 green, and 90 blue.

How to use #423F5A in CSS?

Use #423F5A directly in your CSS properties like color or background-color.

What colors go well with #423F5A?

#575A3F (complementary), #3F495A (analogous), and #211F2D (lighter shade) work well with #423F5A.