#155EE5 Color Information

Hex color code: #155EE5

#155EE5 is a bold blue color. In RGB it is (21, 94, 229), and in HSL it is (219°, 83%, 49%). It is frequently seen in web interfaces.

Try:

Color NameRoyal Blue

HEX

#155EE5

RGB

21, 94, 229

HSL

219°, 83%, 49%

CMYK

91%, 59%, 0%, 10%

Shades

CSS Usage

color: #155EE5;
background-color: #155EE5;
border-color: #155EE5;
box-shadow: 0 0 10px #155EE5;
border: 2px solid #155EE5;

Tailwind Usage

bg-[#155EE5]
text-[#155EE5]
border-[#155EE5]
shadow-[0_0_10px_155EE5]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #155EE5, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #155EE5; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #155EE5; 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 #155EE5; background-color: #155EE515; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #155EE520; border-left: 4px solid #155EE5; }

Link / Accent

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

a { color: #155EE5; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #155EE5 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

21, 94, 229

Red: 21 / Green: 94 / Blue: 229

HSL

219°, 83%, 49%

Hue: 219° / Saturation: 83% / Lightness: 49%

CMYK

91%, 59%, 0%, 10%

Cyan: 91% / Magenta: 59% / Yellow: 0% / Key: 10%

What color is #155EE5?

#155EE5 is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

E59C15

Color Palette

HEX to RGB

Convert #155EE5 to RGB:

rgb(21, 94, 229)HEX to RGB Converter →

HEX to HSL

Convert #155EE5 to HSL:

hsl(219, 83%, 49%)RGB to HSL Converter →

HEX to CMYK

Convert #155EE5 to CMYK:

cmyk(91%, 59%, 0%, 10%)Color Converter →

Color Meaning and Usage

A bold blue tone, #155EE5 has RGB (21, 94, 229) and HSL (219°, 83%, 49%). Known for evoking energy and excitement, this highly saturated hue is frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #155EE5 is #E59C15, creating high-contrast pairings. For softer combinations, try analogous colors like #15C6E5.

Use #155EE5 in CSS: color: #155EE5 or background-color: #155EE5. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #155EE5

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

Contrast Ratio: 3.76:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #155EE5?

#155EE5 is a bold blue color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #155EE5?

#155EE5 in RGB is (21, 94, 229) - 21 red, 94 green, and 229 blue.

How to use #155EE5 in CSS?

Use #155EE5 directly in your CSS properties like color or background-color.

What colors go well with #155EE5?

#E59C15 (complementary), #15C6E5 (analogous), and #0F419F (lighter shade) work well with #155EE5.