#2D378F Color Information

Hex color code: #2D378F

#2D378F is a cool blue color. In RGB it is (45, 55, 143), and in HSL it is (234°, 52%, 37%). It is commonly used in modern UI design.

Try:
Color NameDark Slate Blue
HEX
#2D378F
RGB
45, 55, 143
HSL
234°, 52%, 37%
CMYK
69%, 62%, 0%, 44%

Shades

CSS Usage
color: #2D378F;
background-color: #2D378F;
border-color: #2D378F;
box-shadow: 0 0 10px #2D378F;
border: 2px solid #2D378F;
Tailwind Usage
bg-[#2D378F]
text-[#2D378F]
border-[#2D378F]
shadow-[0_0_10px_2D378F]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #2D378F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #2D378F; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #2D378F; 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 #2D378F; background-color: #2D378F15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #2D378F20; border-left: 4px solid #2D378F; }

Link / Accent

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

a { color: #2D378F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #2D378F in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

45, 55, 143

Red: 45 / Green: 55 / Blue: 143

HSL

234°, 52%, 37%

Hue: 234° / Saturation: 52% / Lightness: 37%

CMYK

69%, 62%, 0%, 44%

Cyan: 69% / Magenta: 62% / Yellow: 0% / Key: 44%

What color is #2D378F?

#2D378F is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #2D378F to RGB:

rgb(45, 55, 143)HEX to RGB Converter →

HEX to HSL

Convert #2D378F to HSL:

hsl(234, 52%, 37%)RGB to HSL Converter →

HEX to CMYK

Convert #2D378F to CMYK:

cmyk(69%, 62%, 0%, 44%)Color Converter →

Color Meaning and Usage

A cool blue tone, #2D378F has RGB (45, 55, 143) and HSL (234°, 52%, 37%). Known for evoking creativity and luxury, this blue-purple hue is frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #2D378F is #8F862D, creating high-contrast pairings. For softer combinations, try analogous colors like #2D688F.

Use #2D378F in CSS: color: #2D378F or background-color: #2D378F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #2D378F

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

Contrast Ratio: 2.05:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #2D378F?

#2D378F is a cool blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #2D378F?

#2D378F in RGB is (45, 55, 143) - 45 red, 55 green, and 143 blue.

How to use #2D378F in CSS?

Use #2D378F directly in your CSS properties like color or background-color.

What colors go well with #2D378F?

#8F862D (complementary), #2D688F (analogous), and #1B2155 (lighter shade) work well with #2D378F.