#155F99 Color Information

Hex color code: #155F99

A eye-catching blue shade, #155F99 appears as (21, 95, 153) in RGB and (206°, 76%, 34%) in HSL. It is widely used in graphic design.

Try:
Color NameTeal
HEX
#155F99
RGB
21, 95, 153
HSL
206°, 76%, 34%
CMYK
86%, 38%, 0%, 40%

Shades

CSS Usage
color: #155F99;
background-color: #155F99;
border-color: #155F99;
box-shadow: 0 0 10px #155F99;
border: 2px solid #155F99;
Tailwind Usage
bg-[#155F99]
text-[#155F99]
border-[#155F99]
shadow-[0_0_10px_155F99]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #155F99, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #155F99; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #155F99; 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 #155F99; background-color: #155F9915; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #155F9920; border-left: 4px solid #155F99; }

Link / Accent

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

a { color: #155F99; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #155F99 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

21, 95, 153

Red: 21 / Green: 95 / Blue: 153

HSL

206°, 76%, 34%

Hue: 206° / Saturation: 76% / Lightness: 34%

CMYK

86%, 38%, 0%, 40%

Cyan: 86% / Magenta: 38% / Yellow: 0% / Key: 40%

What color is #155F99?

#155F99 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #155F99 to RGB:

rgb(21, 95, 153)HEX to RGB Converter →

HEX to HSL

Convert #155F99 to HSL:

hsl(206, 76%, 34%)RGB to HSL Converter →

HEX to CMYK

Convert #155F99 to CMYK:

cmyk(86%, 38%, 0%, 40%)Color Converter →

Color Meaning and Usage

A eye-catching blue tone, #155F99 has RGB (21, 95, 153) and HSL (206°, 76%, 34%). Known for evoking trust and professionalism, this cyan-blue hue is frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #155F99 is #994E15, creating high-contrast pairings. For softer combinations, try analogous colors like #159990.

Use #155F99 in CSS: color: #155F99 or background-color: #155F99. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #155F99

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

Contrast Ratio: 3.13:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #155F99?

#155F99 is a eye-catching blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #155F99?

#155F99 in RGB is (21, 95, 153) - 21 red, 95 green, and 153 blue.

How to use #155F99 in CSS?

Use #155F99 directly in your CSS properties like color or background-color.

What colors go well with #155F99?

#994E15 (complementary), #159990 (analogous), and #0C3555 (lighter shade) work well with #155F99.