#404B63 Color Information

Hex color code: #404B63

#404B63 is a pastel blue color. In RGB it is (64, 75, 99), and in HSL it is (221°, 21%, 32%). It is commonly used in modern UI design.

Try:
Color NameDark Slate Gray
HEX
#404B63
RGB
64, 75, 99
HSL
221°, 21%, 32%
CMYK
35%, 24%, 0%, 61%

Shades

CSS Usage
color: #404B63;
background-color: #404B63;
border-color: #404B63;
box-shadow: 0 0 10px #404B63;
border: 2px solid #404B63;
Tailwind Usage
bg-[#404B63]
text-[#404B63]
border-[#404B63]
shadow-[0_0_10px_404B63]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #404B63, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #404B63; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #404B63; 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 #404B63; background-color: #404B6315; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #404B6320; border-left: 4px solid #404B63; }

Link / Accent

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

a { color: #404B63; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #404B63 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

64, 75, 99

Red: 64 / Green: 75 / Blue: 99

HSL

221°, 21%, 32%

Hue: 221° / Saturation: 21% / Lightness: 32%

CMYK

35%, 24%, 0%, 61%

Cyan: 35% / Magenta: 24% / Yellow: 0% / Key: 61%

What color is #404B63?

#404B63 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #404B63 to RGB:

rgb(64, 75, 99)HEX to RGB Converter →

HEX to HSL

Convert #404B63 to HSL:

hsl(221, 21%, 32%)RGB to HSL Converter →

HEX to CMYK

Convert #404B63 to CMYK:

cmyk(35%, 24%, 0%, 61%)Color Converter →

Color Meaning and Usage

A soft blue tone, #404B63 has RGB (64, 75, 99) and HSL (221°, 21%, 32%). Known for evoking creativity and luxury, this blue-purple hue is popular for illustrations and friendly visual themes. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #404B63 is #635840, creating high-contrast pairings. For softer combinations, try analogous colors like #405C63.

Use #404B63 in CSS: color: #404B63 or background-color: #404B63. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #404B63

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 #404B63?

#404B63 is a soft blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #404B63?

#404B63 in RGB is (64, 75, 99) - 64 red, 75 green, and 99 blue.

How to use #404B63 in CSS?

Use #404B63 directly in your CSS properties like color or background-color.

What colors go well with #404B63?

#635840 (complementary), #405C63 (analogous), and #222834 (lighter shade) work well with #404B63.