#3F647D Color Information

Hex color code: #3F647D

The hex color #3F647D is a gentle blue with RGB values of (63, 100, 125) and HSL of (204°, 33%, 37%). It is often used for branding and logos.

Try:

Color NameDark Slate Blue

HEX

#3F647D

RGB

63, 100, 125

HSL

204°, 33%, 37%

CMYK

50%, 20%, 0%, 51%

Shades

CSS Usage

color: #3F647D;
background-color: #3F647D;
border-color: #3F647D;
box-shadow: 0 0 10px #3F647D;
border: 2px solid #3F647D;

Tailwind Usage

bg-[#3F647D]
text-[#3F647D]
border-[#3F647D]
shadow-[0_0_10px_3F647D]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #3F647D, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3F647D; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #3F647D; 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 #3F647D; background-color: #3F647D15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #3F647D20; border-left: 4px solid #3F647D; }

Link / Accent

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

a { color: #3F647D; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3F647D in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

63, 100, 125

Red: 63 / Green: 100 / Blue: 125

HSL

204°, 33%, 37%

Hue: 204° / Saturation: 33% / Lightness: 37%

CMYK

50%, 20%, 0%, 51%

Cyan: 50% / Magenta: 20% / Yellow: 0% / Key: 51%

What color is #3F647D?

#3F647D is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

7D583F

Color Palette

HEX to RGB

Convert #3F647D to RGB:

rgb(63, 100, 125)HEX to RGB Converter →

HEX to HSL

Convert #3F647D to HSL:

hsl(204, 33%, 37%)RGB to HSL Converter →

HEX to CMYK

Convert #3F647D to CMYK:

cmyk(50%, 20%, 0%, 51%)Color Converter →

Color Meaning and Usage

A subtle blue tone, #3F647D has RGB (63, 100, 125) and HSL (204°, 33%, 37%). Known for evoking trust and professionalism, this cyan-blue hue is a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3F647D is #7D583F, creating high-contrast pairings. For softer combinations, try analogous colors like #3F7D77.

Use #3F647D in CSS: color: #3F647D or background-color: #3F647D. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3F647D

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

Contrast Ratio: 3.33:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3F647D?

#3F647D is a subtle blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #3F647D?

#3F647D in RGB is (63, 100, 125) - 63 red, 100 green, and 125 blue.

How to use #3F647D in CSS?

Use #3F647D directly in your CSS properties like color or background-color.

What colors go well with #3F647D?

#7D583F (complementary), #3F7D77 (analogous), and #263C4B (lighter shade) work well with #3F647D.