#283039 Color Information

Hex color code: #283039

The hex color #283039 is a dramatic blue with RGB values of (40, 48, 57) and HSL of (212°, 18%, 19%). It is typically applied in digital products.

Try:

Color NameDark Slate Gray

HEX

#283039

RGB

40, 48, 57

HSL

212°, 18%, 19%

CMYK

30%, 16%, 0%, 78%

Shades

CSS Usage

color: #283039;
background-color: #283039;
border-color: #283039;
box-shadow: 0 0 10px #283039;
border: 2px solid #283039;

Tailwind Usage

bg-[#283039]
text-[#283039]
border-[#283039]
shadow-[0_0_10px_283039]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #283039, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #283039; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #283039; 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 #283039; background-color: #28303915; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #28303920; border-left: 4px solid #283039; }

Link / Accent

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

a { color: #283039; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #283039 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

40, 48, 57

Red: 40 / Green: 48 / Blue: 57

HSL

212°, 18%, 19%

Hue: 212° / Saturation: 18% / Lightness: 19%

CMYK

30%, 16%, 0%, 78%

Cyan: 30% / Magenta: 16% / Yellow: 0% / Key: 78%

What color is #283039?

#283039 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

393128

Color Palette

HEX to RGB

Convert #283039 to RGB:

rgb(40, 48, 57)HEX to RGB Converter →

HEX to HSL

Convert #283039 to HSL:

hsl(212, 18%, 19%)RGB to HSL Converter →

HEX to CMYK

Convert #283039 to CMYK:

cmyk(30%, 16%, 0%, 78%)Color Converter →

Color Meaning and Usage

A intense blue tone, #283039 has RGB (40, 48, 57) and HSL (212°, 18%, 19%). Known for evoking sophistication and elegance, this very dark shade is commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #283039 is #393128, creating high-contrast pairings. For softer combinations, try analogous colors like #283939.

Use #283039 in CSS: color: #283039 or background-color: #283039. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #283039

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

Contrast Ratio: 1.57:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #283039?

#283039 is a intense blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #283039?

#283039 in RGB is (40, 48, 57) - 40 red, 48 green, and 57 blue.

How to use #283039 in CSS?

Use #283039 directly in your CSS properties like color or background-color.

What colors go well with #283039?

#393128 (complementary), #283939 (analogous), and #080A0C (lighter shade) work well with #283039.