#243D8F Color Information

Hex color code: #243D8F

A cool blue shade, #243D8F appears as (36, 61, 143) in RGB and (226°, 60%, 35%) in HSL. It is frequently seen in web interfaces.

Try:
Color NameDark Slate Blue
HEX
#243D8F
RGB
36, 61, 143
HSL
226°, 60%, 35%
CMYK
75%, 57%, 0%, 44%

Shades

CSS Usage
color: #243D8F;
background-color: #243D8F;
border-color: #243D8F;
box-shadow: 0 0 10px #243D8F;
border: 2px solid #243D8F;
Tailwind Usage
bg-[#243D8F]
text-[#243D8F]
border-[#243D8F]
shadow-[0_0_10px_243D8F]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #243D8F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #243D8F; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #243D8F; 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 #243D8F; background-color: #243D8F15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #243D8F20; border-left: 4px solid #243D8F; }

Link / Accent

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

a { color: #243D8F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #243D8F in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

36, 61, 143

Red: 36 / Green: 61 / Blue: 143

HSL

226°, 60%, 35%

Hue: 226° / Saturation: 60% / Lightness: 35%

CMYK

75%, 57%, 0%, 44%

Cyan: 75% / Magenta: 57% / Yellow: 0% / Key: 44%

What color is #243D8F?

#243D8F is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #243D8F to RGB:

rgb(36, 61, 143)HEX to RGB Converter →

HEX to HSL

Convert #243D8F to HSL:

hsl(226, 60%, 35%)RGB to HSL Converter →

HEX to CMYK

Convert #243D8F to CMYK:

cmyk(75%, 57%, 0%, 44%)Color Converter →

Color Meaning and Usage

#243D8F is a cool blue color with RGB values of 36, 61, 143 and HSL of 226°, 60%, 35%. This blue-purple hue evokes creativity and luxury, making it suitable for often used for branding and logos. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #243D8F is #8F7624, creating high-contrast pairings. For softer combinations, try analogous colors like #24728F.

Use #243D8F in CSS: color: #243D8F or background-color: #243D8F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #243D8F

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

Contrast Ratio: 2.14:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #243D8F?

#243D8F is a cool blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #243D8F?

#243D8F in RGB is (36, 61, 143) - 36 red, 61 green, and 143 blue.

How to use #243D8F in CSS?

Use #243D8F directly in your CSS properties like color or background-color.

What colors go well with #243D8F?

#8F7624 (complementary), #24728F (analogous), and #142352 (lighter shade) work well with #243D8F.