#1551B2 Color Information

Hex color code: #1551B2

#1551B2 is a dynamic blue color. In RGB it is (21, 81, 178), and in HSL it is (217°, 79%, 39%). It is typically applied in digital products.

Try:

Color NameDark Slate Blue

HEX

#1551B2

RGB

21, 81, 178

HSL

217°, 79%, 39%

CMYK

88%, 54%, 0%, 30%

Shades

CSS Usage

color: #1551B2;
background-color: #1551B2;
border-color: #1551B2;
box-shadow: 0 0 10px #1551B2;
border: 2px solid #1551B2;

Tailwind Usage

bg-[#1551B2]
text-[#1551B2]
border-[#1551B2]
shadow-[0_0_10px_1551B2]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #1551B2, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1551B2; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #1551B2; 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 #1551B2; background-color: #1551B215; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #1551B220; border-left: 4px solid #1551B2; }

Link / Accent

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

a { color: #1551B2; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1551B2 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

21, 81, 178

Red: 21 / Green: 81 / Blue: 178

HSL

217°, 79%, 39%

Hue: 217° / Saturation: 79% / Lightness: 39%

CMYK

88%, 54%, 0%, 30%

Cyan: 88% / Magenta: 54% / Yellow: 0% / Key: 30%

What color is #1551B2?

#1551B2 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

B27615

Color Palette

HEX to RGB

Convert #1551B2 to RGB:

rgb(21, 81, 178)HEX to RGB Converter →

HEX to HSL

Convert #1551B2 to HSL:

hsl(217, 79%, 39%)RGB to HSL Converter →

HEX to CMYK

Convert #1551B2 to CMYK:

cmyk(88%, 54%, 0%, 30%)Color Converter →

Color Meaning and Usage

A eye-catching blue tone, #1551B2 has RGB (21, 81, 178) and HSL (217°, 79%, 39%). Known for evoking creativity and luxury, this blue-purple hue is well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1551B2 is #B27615, creating high-contrast pairings. For softer combinations, try analogous colors like #15A0B2.

Use #1551B2 in CSS: color: #1551B2 or background-color: #1551B2. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1551B2

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

Contrast Ratio: 2.85:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1551B2?

#1551B2 is a eye-catching blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #1551B2?

#1551B2 in RGB is (21, 81, 178) - 21 red, 81 green, and 178 blue.

How to use #1551B2 in CSS?

Use #1551B2 directly in your CSS properties like color or background-color.

What colors go well with #1551B2?

#B27615 (complementary), #15A0B2 (analogous), and #0D326E (lighter shade) work well with #1551B2.