#0F3F99 Color Information

Hex color code: #0F3F99

A vivid blue shade, #0F3F99 appears as (15, 63, 153) in RGB and (219°, 82%, 33%) in HSL. It is commonly used in modern UI design.

Try:
Color NameDark Slate Blue
HEX
#0F3F99
RGB
15, 63, 153
HSL
219°, 82%, 33%
CMYK
90%, 59%, 0%, 40%

Shades

CSS Usage
color: #0F3F99;
background-color: #0F3F99;
border-color: #0F3F99;
box-shadow: 0 0 10px #0F3F99;
border: 2px solid #0F3F99;
Tailwind Usage
bg-[#0F3F99]
text-[#0F3F99]
border-[#0F3F99]
shadow-[0_0_10px_0F3F99]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #0F3F99, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #0F3F99; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #0F3F99; 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 #0F3F99; background-color: #0F3F9915; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #0F3F9920; border-left: 4px solid #0F3F99; }

Link / Accent

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

a { color: #0F3F99; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #0F3F99 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

15, 63, 153

Red: 15 / Green: 63 / Blue: 153

HSL

219°, 82%, 33%

Hue: 219° / Saturation: 82% / Lightness: 33%

CMYK

90%, 59%, 0%, 40%

Cyan: 90% / Magenta: 59% / Yellow: 0% / Key: 40%

What color is #0F3F99?

#0F3F99 is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #0F3F99 to RGB:

rgb(15, 63, 153)HEX to RGB Converter →

HEX to HSL

Convert #0F3F99 to HSL:

hsl(219, 82%, 33%)RGB to HSL Converter →

HEX to CMYK

Convert #0F3F99 to CMYK:

cmyk(90%, 59%, 0%, 40%)Color Converter →

Color Meaning and Usage

#0F3F99 is a striking blue color with RGB values of 15, 63, 153 and HSL of 219°, 82%, 33%. This highly saturated hue evokes energy and excitement, making it suitable for frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #0F3F99 is #99690F, creating high-contrast pairings. For softer combinations, try analogous colors like #0F8499.

Use #0F3F99 in CSS: color: #0F3F99 or background-color: #0F3F99. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #0F3F99

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

Contrast Ratio: 2.19:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #0F3F99?

#0F3F99 is a striking blue color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #0F3F99?

#0F3F99 in RGB is (15, 63, 153) - 15 red, 63 green, and 153 blue.

How to use #0F3F99 in CSS?

Use #0F3F99 directly in your CSS properties like color or background-color.

What colors go well with #0F3F99?

#99690F (complementary), #0F8499 (analogous), and #082354 (lighter shade) work well with #0F3F99.