#303F4F Color Information

Hex color code: #303F4F

The hex color #303F4F is a soft blue with RGB values of (48, 63, 79) and HSL of (211°, 24%, 25%). It is widely used in graphic design.

Try:
Color NameDark Slate Gray
HEX
#303F4F
RGB
48, 63, 79
HSL
211°, 24%, 25%
CMYK
39%, 20%, 0%, 69%

Shades

CSS Usage
color: #303F4F;
background-color: #303F4F;
border-color: #303F4F;
box-shadow: 0 0 10px #303F4F;
border: 2px solid #303F4F;
Tailwind Usage
bg-[#303F4F]
text-[#303F4F]
border-[#303F4F]
shadow-[0_0_10px_303F4F]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #303F4F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #303F4F; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #303F4F; 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 #303F4F; background-color: #303F4F15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #303F4F20; border-left: 4px solid #303F4F; }

Link / Accent

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

a { color: #303F4F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #303F4F in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

48, 63, 79

Red: 48 / Green: 63 / Blue: 79

HSL

211°, 24%, 25%

Hue: 211° / Saturation: 24% / Lightness: 25%

CMYK

39%, 20%, 0%, 69%

Cyan: 39% / Magenta: 20% / Yellow: 0% / Key: 69%

What color is #303F4F?

#303F4F is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #303F4F to RGB:

rgb(48, 63, 79)HEX to RGB Converter →

HEX to HSL

Convert #303F4F to HSL:

hsl(211, 24%, 25%)RGB to HSL Converter →

HEX to CMYK

Convert #303F4F to CMYK:

cmyk(39%, 20%, 0%, 69%)Color Converter →

Color Meaning and Usage

#303F4F is a subtle blue color with RGB values of 48, 63, 79 and HSL of 211°, 24%, 25%. This blue-purple hue evokes creativity and luxury, making it suitable for frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #303F4F is #4F4030, creating high-contrast pairings. For softer combinations, try analogous colors like #304F4F.

Use #303F4F in CSS: color: #303F4F or background-color: #303F4F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #303F4F

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

Contrast Ratio: 1.95:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #303F4F?

#303F4F is a subtle blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #303F4F?

#303F4F in RGB is (48, 63, 79) - 48 red, 63 green, and 79 blue.

How to use #303F4F in CSS?

Use #303F4F directly in your CSS properties like color or background-color.

What colors go well with #303F4F?

#4F4030 (complementary), #304F4F (analogous), and #131920 (lighter shade) work well with #303F4F.