#231F38 Color Information

Hex color code: #231F38

The hex color #231F38 is a rich blue with RGB values of (35, 31, 56) and HSL of (250°, 29%, 17%). It is popular in mobile app design.

Try:

Color NameDark Slate Gray

HEX

#231F38

RGB

35, 31, 56

HSL

250°, 29%, 17%

CMYK

38%, 45%, 0%, 78%

Shades

CSS Usage

color: #231F38;
background-color: #231F38;
border-color: #231F38;
box-shadow: 0 0 10px #231F38;
border: 2px solid #231F38;

Tailwind Usage

bg-[#231F38]
text-[#231F38]
border-[#231F38]
shadow-[0_0_10px_231F38]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #231F38, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #231F38; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #231F38; 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 #231F38; background-color: #231F3815; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #231F3820; border-left: 4px solid #231F38; }

Link / Accent

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

a { color: #231F38; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #231F38 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

35, 31, 56

Red: 35 / Green: 31 / Blue: 56

HSL

250°, 29%, 17%

Hue: 250° / Saturation: 29% / Lightness: 17%

CMYK

38%, 45%, 0%, 78%

Cyan: 38% / Magenta: 45% / Yellow: 0% / Key: 78%

What color is #231F38?

#231F38 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

34381F

Color Palette

HEX to RGB

Convert #231F38 to RGB:

rgb(35, 31, 56)HEX to RGB Converter →

HEX to HSL

Convert #231F38 to HSL:

hsl(250, 29%, 17%)RGB to HSL Converter →

HEX to CMYK

Convert #231F38 to CMYK:

cmyk(38%, 45%, 0%, 78%)Color Converter →

Color Meaning and Usage

A intense blue tone, #231F38 has RGB (35, 31, 56) and HSL (250°, 29%, 17%). Known for evoking sophistication and elegance, this very dark shade is well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #231F38 is #34381F, creating high-contrast pairings. For softer combinations, try analogous colors like #1F2738.

Use #231F38 in CSS: color: #231F38 or background-color: #231F38. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #231F38

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

Contrast Ratio: 1.32:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #231F38?

#231F38 is a intense blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #231F38?

#231F38 in RGB is (35, 31, 56) - 35 red, 31 green, and 56 blue.

How to use #231F38 in CSS?

Use #231F38 directly in your CSS properties like color or background-color.

What colors go well with #231F38?

#34381F (complementary), #1F2738 (analogous), and #040407 (lighter shade) work well with #231F38.