#1D51A5 Color Information

Hex color code: #1D51A5

The hex color #1D51A5 is a peaceful blue with RGB values of (29, 81, 165) and HSL of (217°, 70%, 38%). It is typically applied in digital products.

Try:

Color NameDark Slate Blue

HEX

#1D51A5

RGB

29, 81, 165

HSL

217°, 70%, 38%

CMYK

82%, 51%, 0%, 35%

Shades

CSS Usage

color: #1D51A5;
background-color: #1D51A5;
border-color: #1D51A5;
box-shadow: 0 0 10px #1D51A5;
border: 2px solid #1D51A5;

Tailwind Usage

bg-[#1D51A5]
text-[#1D51A5]
border-[#1D51A5]
shadow-[0_0_10px_1D51A5]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #1D51A5, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1D51A5; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #1D51A5; 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 #1D51A5; background-color: #1D51A515; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #1D51A520; border-left: 4px solid #1D51A5; }

Link / Accent

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

a { color: #1D51A5; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1D51A5 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

29, 81, 165

Red: 29 / Green: 81 / Blue: 165

HSL

217°, 70%, 38%

Hue: 217° / Saturation: 70% / Lightness: 38%

CMYK

82%, 51%, 0%, 35%

Cyan: 82% / Magenta: 51% / Yellow: 0% / Key: 35%

What color is #1D51A5?

#1D51A5 is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

A5711D

Color Palette

HEX to RGB

Convert #1D51A5 to RGB:

rgb(29, 81, 165)HEX to RGB Converter →

HEX to HSL

Convert #1D51A5 to HSL:

hsl(217, 70%, 38%)RGB to HSL Converter →

HEX to CMYK

Convert #1D51A5 to CMYK:

cmyk(82%, 51%, 0%, 35%)Color Converter →

Color Meaning and Usage

A peaceful blue tone, #1D51A5 has RGB (29, 81, 165) and HSL (217°, 70%, 38%). Known for evoking creativity and luxury, this blue-purple hue is frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1D51A5 is #A5711D, creating high-contrast pairings. For softer combinations, try analogous colors like #1D95A5.

Use #1D51A5 in CSS: color: #1D51A5 or background-color: #1D51A5. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1D51A5

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

Contrast Ratio: 2.77:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1D51A5?

#1D51A5 is a peaceful blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #1D51A5?

#1D51A5 in RGB is (29, 81, 165) - 29 red, 81 green, and 165 blue.

How to use #1D51A5 in CSS?

Use #1D51A5 directly in your CSS properties like color or background-color.

What colors go well with #1D51A5?

#A5711D (complementary), #1D95A5 (analogous), and #123164 (lighter shade) work well with #1D51A5.