#1F2537 Color Information

Hex color code: #1F2537

#1F2537 is a intense blue color. In RGB it is (31, 37, 55), and in HSL it is (225°, 28%, 17%). It is widely used in graphic design.

Try:

Color NameDark Slate Gray

HEX

#1F2537

RGB

31, 37, 55

HSL

225°, 28%, 17%

CMYK

44%, 33%, 0%, 78%

Shades

CSS Usage

color: #1F2537;
background-color: #1F2537;
border-color: #1F2537;
box-shadow: 0 0 10px #1F2537;
border: 2px solid #1F2537;

Tailwind Usage

bg-[#1F2537]
text-[#1F2537]
border-[#1F2537]
shadow-[0_0_10px_1F2537]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #1F2537, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1F2537; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #1F2537; 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 #1F2537; background-color: #1F253715; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #1F253720; border-left: 4px solid #1F2537; }

Link / Accent

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

a { color: #1F2537; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1F2537 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

31, 37, 55

Red: 31 / Green: 37 / Blue: 55

HSL

225°, 28%, 17%

Hue: 225° / Saturation: 28% / Lightness: 17%

CMYK

44%, 33%, 0%, 78%

Cyan: 44% / Magenta: 33% / Yellow: 0% / Key: 78%

What color is #1F2537?

#1F2537 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

37311F

Color Palette

HEX to RGB

Convert #1F2537 to RGB:

rgb(31, 37, 55)HEX to RGB Converter →

HEX to HSL

Convert #1F2537 to HSL:

hsl(225, 28%, 17%)RGB to HSL Converter →

HEX to CMYK

Convert #1F2537 to CMYK:

cmyk(44%, 33%, 0%, 78%)Color Converter →

Color Meaning and Usage

#1F2537 is a dark blue color with RGB values of 31, 37, 55 and HSL of 225°, 28%, 17%. This very dark shade evokes sophistication and elegance, making it suitable for frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1F2537 is #37311F, creating high-contrast pairings. For softer combinations, try analogous colors like #1F3137.

Use #1F2537 in CSS: color: #1F2537 or background-color: #1F2537. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1F2537

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

Contrast Ratio: 1.38:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1F2537?

#1F2537 is a dark blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #1F2537?

#1F2537 in RGB is (31, 37, 55) - 31 red, 37 green, and 55 blue.

How to use #1F2537 in CSS?

Use #1F2537 directly in your CSS properties like color or background-color.

What colors go well with #1F2537?

#37311F (complementary), #1F3137 (analogous), and #040407 (lighter shade) work well with #1F2537.