#31373F Color Information

Hex color code: #31373F

The hex color #31373F is a intense blue with RGB values of (49, 55, 63) and HSL of (214°, 13%, 22%). It is popular in mobile app design.

Try:

Color NameDark Slate Gray

HEX

#31373F

RGB

49, 55, 63

HSL

214°, 13%, 22%

CMYK

22%, 13%, 0%, 75%

Shades

CSS Usage

color: #31373F;
background-color: #31373F;
border-color: #31373F;
box-shadow: 0 0 10px #31373F;
border: 2px solid #31373F;

Tailwind Usage

bg-[#31373F]
text-[#31373F]
border-[#31373F]
shadow-[0_0_10px_31373F]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #31373F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #31373F; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #31373F; 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 #31373F; background-color: #31373F15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #31373F20; border-left: 4px solid #31373F; }

Link / Accent

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

a { color: #31373F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #31373F in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

49, 55, 63

Red: 49 / Green: 55 / Blue: 63

HSL

214°, 13%, 22%

Hue: 214° / Saturation: 13% / Lightness: 22%

CMYK

22%, 13%, 0%, 75%

Cyan: 22% / Magenta: 13% / Yellow: 0% / Key: 75%

What color is #31373F?

#31373F is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

3F3931

Color Palette

HEX to RGB

Convert #31373F to RGB:

rgb(49, 55, 63)HEX to RGB Converter →

HEX to HSL

Convert #31373F to HSL:

hsl(214, 13%, 22%)RGB to HSL Converter →

HEX to CMYK

Convert #31373F to CMYK:

cmyk(22%, 13%, 0%, 75%)Color Converter →

Color Meaning and Usage

#31373F is a rich blue color with RGB values of 49, 55, 63 and HSL of 214°, 13%, 22%. This desaturated neutral evokes balance and subtlety, making it suitable for frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #31373F is #3F3931, creating high-contrast pairings. For softer combinations, try analogous colors like #313E3F.

Use #31373F in CSS: color: #31373F or background-color: #31373F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #31373F

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

Contrast Ratio: 1.75:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #31373F?

#31373F is a rich blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #31373F?

#31373F in RGB is (49, 55, 63) - 49 red, 55 green, and 63 blue.

How to use #31373F in CSS?

Use #31373F directly in your CSS properties like color or background-color.

What colors go well with #31373F?

#3F3931 (complementary), #313E3F (analogous), and #101214 (lighter shade) work well with #31373F.