#151D38 Color Information

Hex color code: #151D38

The hex color #151D38 is a deep blue with RGB values of (21, 29, 56) and HSL of (226°, 45%, 15%). It is commonly used in modern UI design.

Try:

Color NameDark Slate Gray

HEX

#151D38

RGB

21, 29, 56

HSL

226°, 45%, 15%

CMYK

62%, 48%, 0%, 78%

Shades

CSS Usage

color: #151D38;
background-color: #151D38;
border-color: #151D38;
box-shadow: 0 0 10px #151D38;
border: 2px solid #151D38;

Tailwind Usage

bg-[#151D38]
text-[#151D38]
border-[#151D38]
shadow-[0_0_10px_151D38]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #151D38, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #151D38; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #151D38; 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 #151D38; background-color: #151D3815; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #151D3820; border-left: 4px solid #151D38; }

Link / Accent

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

a { color: #151D38; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #151D38 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

21, 29, 56

Red: 21 / Green: 29 / Blue: 56

HSL

226°, 45%, 15%

Hue: 226° / Saturation: 45% / Lightness: 15%

CMYK

62%, 48%, 0%, 78%

Cyan: 62% / Magenta: 48% / Yellow: 0% / Key: 78%

What color is #151D38?

#151D38 is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

372F15

Color Palette

HEX to RGB

Convert #151D38 to RGB:

rgb(21, 29, 56)HEX to RGB Converter →

HEX to HSL

Convert #151D38 to HSL:

hsl(226, 45%, 15%)RGB to HSL Converter →

HEX to CMYK

Convert #151D38 to CMYK:

cmyk(62%, 48%, 0%, 78%)Color Converter →

Color Meaning and Usage

#151D38 is a rich blue color with RGB values of 21, 29, 56 and HSL of 226°, 45%, 15%. This very dark shade evokes sophistication and elegance, making it suitable for often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #151D38 is #372F15, creating high-contrast pairings. For softer combinations, try analogous colors like #152E37.

Use #151D38 in CSS: color: #151D38 or background-color: #151D38. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #151D38

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

Contrast Ratio: 1.26:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #151D38?

#151D38 is a rich blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #151D38?

#151D38 in RGB is (21, 29, 56) - 21 red, 29 green, and 56 blue.

How to use #151D38 in CSS?

Use #151D38 directly in your CSS properties like color or background-color.

What colors go well with #151D38?

#372F15 (complementary), #152E37 (analogous), and #000000 (lighter shade) work well with #151D38.