#173540 Color Information

Hex color code: #173540

#173540 is a dramatic blue color. In RGB it is (23, 53, 64), and in HSL it is (196°, 47%, 17%). It is typically applied in digital products.

Try:
Color NameDark Slate Gray
HEX
#173540
RGB
23, 53, 64
HSL
196°, 47%, 17%
CMYK
64%, 17%, 0%, 75%

Shades

CSS Usage
color: #173540;
background-color: #173540;
border-color: #173540;
box-shadow: 0 0 10px #173540;
border: 2px solid #173540;
Tailwind Usage
bg-[#173540]
text-[#173540]
border-[#173540]
shadow-[0_0_10px_173540]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #173540, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #173540; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #173540; 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 #173540; background-color: #17354015; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #17354020; border-left: 4px solid #173540; }

Link / Accent

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

a { color: #173540; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #173540 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

23, 53, 64

Red: 23 / Green: 53 / Blue: 64

HSL

196°, 47%, 17%

Hue: 196° / Saturation: 47% / Lightness: 17%

CMYK

64%, 17%, 0%, 75%

Cyan: 64% / Magenta: 17% / Yellow: 0% / Key: 75%

What color is #173540?

#173540 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #173540 to RGB:

rgb(23, 53, 64)HEX to RGB Converter →

HEX to HSL

Convert #173540 to HSL:

hsl(196, 47%, 17%)RGB to HSL Converter →

HEX to CMYK

Convert #173540 to CMYK:

cmyk(64%, 17%, 0%, 75%)Color Converter →

Color Meaning and Usage

A deep blue tone, #173540 has RGB (23, 53, 64) and HSL (196°, 47%, 17%). Known for evoking sophistication and elegance, this very dark shade is popular in mobile app design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #173540 is #402217, creating high-contrast pairings. For softer combinations, try analogous colors like #174036.

Use #173540 in CSS: color: #173540 or background-color: #173540. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #173540

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

Contrast Ratio: 1.62:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #173540?

#173540 is a deep blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #173540?

#173540 in RGB is (23, 53, 64) - 23 red, 53 green, and 64 blue.

How to use #173540 in CSS?

Use #173540 directly in your CSS properties like color or background-color.

What colors go well with #173540?

#402217 (complementary), #174036 (analogous), and #030607 (lighter shade) work well with #173540.