#2B3440 Color Information

Hex color code: #2B3440

The hex color #2B3440 is a intense blue with RGB values of (43, 52, 64) and HSL of (214°, 20%, 21%). It is widely used in graphic design.

Try:
Color NameDark Slate Gray
HEX
#2B3440
RGB
43, 52, 64
HSL
214°, 20%, 21%
CMYK
33%, 19%, 0%, 75%

Shades

CSS Usage
color: #2B3440;
background-color: #2B3440;
border-color: #2B3440;
box-shadow: 0 0 10px #2B3440;
border: 2px solid #2B3440;
Tailwind Usage
bg-[#2B3440]
text-[#2B3440]
border-[#2B3440]
shadow-[0_0_10px_2B3440]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #2B3440, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #2B3440; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #2B3440; 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 #2B3440; background-color: #2B344015; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #2B344020; border-left: 4px solid #2B3440; }

Link / Accent

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

a { color: #2B3440; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #2B3440 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

43, 52, 64

Red: 43 / Green: 52 / Blue: 64

HSL

214°, 20%, 21%

Hue: 214° / Saturation: 20% / Lightness: 21%

CMYK

33%, 19%, 0%, 75%

Cyan: 33% / Magenta: 19% / Yellow: 0% / Key: 75%

What color is #2B3440?

#2B3440 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #2B3440 to RGB:

rgb(43, 52, 64)HEX to RGB Converter →

HEX to HSL

Convert #2B3440 to HSL:

hsl(214, 20%, 21%)RGB to HSL Converter →

HEX to CMYK

Convert #2B3440 to CMYK:

cmyk(33%, 19%, 0%, 75%)Color Converter →

Color Meaning and Usage

#2B3440 is a rich blue color with RGB values of 43, 52, 64 and HSL of 214°, 20%, 21%. This blue-purple hue evokes creativity and luxury, making it suitable for a common choice for dashboards and SaaS products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #2B3440 is #40372B, creating high-contrast pairings. For softer combinations, try analogous colors like #2B3F40.

Use #2B3440 in CSS: color: #2B3440 or background-color: #2B3440. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #2B3440

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

Contrast Ratio: 1.67:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #2B3440?

#2B3440 is a rich blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #2B3440?

#2B3440 in RGB is (43, 52, 64) - 43 red, 52 green, and 64 blue.

How to use #2B3440 in CSS?

Use #2B3440 directly in your CSS properties like color or background-color.

What colors go well with #2B3440?

#40372B (complementary), #2B3F40 (analogous), and #0C0F12 (lighter shade) work well with #2B3440.