#183363 Color Information

Hex color code: #183363

#183363 is a dark blue color. In RGB it is (24, 51, 99), and in HSL it is (218°, 61%, 24%). It is frequently seen in web interfaces.

Try:
Color NameDark Slate Gray
HEX
#183363
RGB
24, 51, 99
HSL
218°, 61%, 24%
CMYK
76%, 48%, 0%, 61%

Shades

CSS Usage
color: #183363;
background-color: #183363;
border-color: #183363;
box-shadow: 0 0 10px #183363;
border: 2px solid #183363;
Tailwind Usage
bg-[#183363]
text-[#183363]
border-[#183363]
shadow-[0_0_10px_183363]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #183363, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #183363; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #183363; 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 #183363; background-color: #18336315; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #18336320; border-left: 4px solid #183363; }

Link / Accent

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

a { color: #183363; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #183363 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

24, 51, 99

Red: 24 / Green: 51 / Blue: 99

HSL

218°, 61%, 24%

Hue: 218° / Saturation: 61% / Lightness: 24%

CMYK

76%, 48%, 0%, 61%

Cyan: 76% / Magenta: 48% / Yellow: 0% / Key: 61%

What color is #183363?

#183363 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #183363 to RGB:

rgb(24, 51, 99)HEX to RGB Converter →

HEX to HSL

Convert #183363 to HSL:

hsl(218, 61%, 24%)RGB to HSL Converter →

HEX to CMYK

Convert #183363 to CMYK:

cmyk(76%, 48%, 0%, 61%)Color Converter →

Color Meaning and Usage

#183363 is a rich blue color with RGB values of 24, 51, 99 and HSL of 218°, 61%, 24%. 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 #183363 is #634718, creating high-contrast pairings. For softer combinations, try analogous colors like #185963.

Use #183363 in CSS: color: #183363 or background-color: #183363. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #183363

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

Contrast Ratio: 1.69:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #183363?

#183363 is a rich blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #183363?

#183363 in RGB is (24, 51, 99) - 24 red, 51 green, and 99 blue.

How to use #183363 in CSS?

Use #183363 directly in your CSS properties like color or background-color.

What colors go well with #183363?

#634718 (complementary), #185963 (analogous), and #091325 (lighter shade) work well with #183363.