#0B3051 Color Information

Hex color code: #0B3051

#0B3051 is a dark blue color. In RGB it is (11, 48, 81), and in HSL it is (208°, 76%, 18%). It is frequently seen in web interfaces.

Try:
Color NameDark Slate Gray
HEX
#0B3051
RGB
11, 48, 81
HSL
208°, 76%, 18%
CMYK
86%, 41%, 0%, 68%

Shades

CSS Usage
color: #0B3051;
background-color: #0B3051;
border-color: #0B3051;
box-shadow: 0 0 10px #0B3051;
border: 2px solid #0B3051;
Tailwind Usage
bg-[#0B3051]
text-[#0B3051]
border-[#0B3051]
shadow-[0_0_10px_0B3051]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #0B3051, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #0B3051; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #0B3051; 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 #0B3051; background-color: #0B305115; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #0B305120; border-left: 4px solid #0B3051; }

Link / Accent

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

a { color: #0B3051; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #0B3051 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

11, 48, 81

Red: 11 / Green: 48 / Blue: 81

HSL

208°, 76%, 18%

Hue: 208° / Saturation: 76% / Lightness: 18%

CMYK

86%, 41%, 0%, 68%

Cyan: 86% / Magenta: 41% / Yellow: 0% / Key: 68%

What color is #0B3051?

#0B3051 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #0B3051 to RGB:

rgb(11, 48, 81)HEX to RGB Converter →

HEX to HSL

Convert #0B3051 to HSL:

hsl(208, 76%, 18%)RGB to HSL Converter →

HEX to CMYK

Convert #0B3051 to CMYK:

cmyk(86%, 41%, 0%, 68%)Color Converter →

Color Meaning and Usage

A deep blue tone, #0B3051 has RGB (11, 48, 81) and HSL (208°, 76%, 18%). Known for evoking sophistication and elegance, this very dark shade is a common choice for dashboards and SaaS products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #0B3051 is #512C0B, creating high-contrast pairings. For softer combinations, try analogous colors like #0B514E.

Use #0B3051 in CSS: color: #0B3051 or background-color: #0B3051. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #0B3051

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

Contrast Ratio: 1.56:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #0B3051?

#0B3051 is a deep blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #0B3051?

#0B3051 in RGB is (11, 48, 81) - 11 red, 48 green, and 81 blue.

How to use #0B3051 in CSS?

Use #0B3051 directly in your CSS properties like color or background-color.

What colors go well with #0B3051?

#512C0B (complementary), #0B514E (analogous), and #02080D (lighter shade) work well with #0B3051.