#0B3151 Color Information

Hex color code: #0B3151

The hex color #0B3151 is a intense blue with RGB values of (11, 49, 81) and HSL of (207°, 76%, 18%). It is widely used in graphic design.

Try:

Color NameDark Slate Gray

HEX

#0B3151

RGB

11, 49, 81

HSL

207°, 76%, 18%

CMYK

86%, 40%, 0%, 68%

Shades

CSS Usage

color: #0B3151;
background-color: #0B3151;
border-color: #0B3151;
box-shadow: 0 0 10px #0B3151;
border: 2px solid #0B3151;

Tailwind Usage

bg-[#0B3151]
text-[#0B3151]
border-[#0B3151]
shadow-[0_0_10px_0B3151]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #0B3151, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #0B3151; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #0B3151; 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 #0B3151; background-color: #0B315115; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #0B315120; border-left: 4px solid #0B3151; }

Link / Accent

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

a { color: #0B3151; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #0B3151 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

11, 49, 81

Red: 11 / Green: 49 / Blue: 81

HSL

207°, 76%, 18%

Hue: 207° / Saturation: 76% / Lightness: 18%

CMYK

86%, 40%, 0%, 68%

Cyan: 86% / Magenta: 40% / Yellow: 0% / Key: 68%

What color is #0B3151?

#0B3151 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

512A0B

Color Palette

HEX to RGB

Convert #0B3151 to RGB:

rgb(11, 49, 81)HEX to RGB Converter →

HEX to HSL

Convert #0B3151 to HSL:

hsl(207, 76%, 18%)RGB to HSL Converter →

HEX to CMYK

Convert #0B3151 to CMYK:

cmyk(86%, 40%, 0%, 68%)Color Converter →

Color Meaning and Usage

A deep blue tone, #0B3151 has RGB (11, 49, 81) and HSL (207°, 76%, 18%). 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 #0B3151 is #512A0B, creating high-contrast pairings. For softer combinations, try analogous colors like #0B514D.

Use #0B3151 in CSS: color: #0B3151 or background-color: #0B3151. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #0B3151

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 #0B3151?

#0B3151 is a deep blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #0B3151?

#0B3151 in RGB is (11, 49, 81) - 11 red, 49 green, and 81 blue.

How to use #0B3151 in CSS?

Use #0B3151 directly in your CSS properties like color or background-color.

What colors go well with #0B3151?

#512A0B (complementary), #0B514D (analogous), and #02080D (lighter shade) work well with #0B3151.