#313D81 Color Information

Hex color code: #313D81

#313D81 is a gentle blue color. In RGB it is (49, 61, 129), and in HSL it is (231°, 45%, 35%). It is often used for branding and logos.

Try:
Color NameDark Slate Blue
HEX
#313D81
RGB
49, 61, 129
HSL
231°, 45%, 35%
CMYK
62%, 53%, 0%, 49%

Shades

CSS Usage
color: #313D81;
background-color: #313D81;
border-color: #313D81;
box-shadow: 0 0 10px #313D81;
border: 2px solid #313D81;
Tailwind Usage
bg-[#313D81]
text-[#313D81]
border-[#313D81]
shadow-[0_0_10px_313D81]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #313D81, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #313D81; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #313D81; 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 #313D81; background-color: #313D8115; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #313D8120; border-left: 4px solid #313D81; }

Link / Accent

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

a { color: #313D81; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #313D81 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

49, 61, 129

Red: 49 / Green: 61 / Blue: 129

HSL

231°, 45%, 35%

Hue: 231° / Saturation: 45% / Lightness: 35%

CMYK

62%, 53%, 0%, 49%

Cyan: 62% / Magenta: 53% / Yellow: 0% / Key: 49%

What color is #313D81?

#313D81 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #313D81 to RGB:

rgb(49, 61, 129)HEX to RGB Converter →

HEX to HSL

Convert #313D81 to HSL:

hsl(231, 45%, 35%)RGB to HSL Converter →

HEX to CMYK

Convert #313D81 to CMYK:

cmyk(62%, 53%, 0%, 49%)Color Converter →

Color Meaning and Usage

A soft blue tone, #313D81 has RGB (49, 61, 129) and HSL (231°, 45%, 35%). Known for evoking creativity and luxury, this blue-purple hue is commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #313D81 is #817531, creating high-contrast pairings. For softer combinations, try analogous colors like #316581.

Use #313D81 in CSS: color: #313D81 or background-color: #313D81. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #313D81

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

Contrast Ratio: 2.12:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #313D81?

#313D81 is a soft blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #313D81?

#313D81 in RGB is (49, 61, 129) - 49 red, 61 green, and 129 blue.

How to use #313D81 in CSS?

Use #313D81 directly in your CSS properties like color or background-color.

What colors go well with #313D81?

#817531 (complementary), #316581 (analogous), and #1C234A (lighter shade) work well with #313D81.