#151C2D Color Information

Hex color code: #151C2D

A dark blue shade, #151C2D appears as (21, 28, 45) in RGB and (223°, 36%, 13%) in HSL. It is frequently seen in web interfaces.

Try:
Color NameBlack
HEX
#151C2D
RGB
21, 28, 45
HSL
223°, 36%, 13%
CMYK
53%, 38%, 0%, 82%

Shades

CSS Usage
color: #151C2D;
background-color: #151C2D;
border-color: #151C2D;
box-shadow: 0 0 10px #151C2D;
border: 2px solid #151C2D;
Tailwind Usage
bg-[#151C2D]
text-[#151C2D]
border-[#151C2D]
shadow-[0_0_10px_151C2D]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #151C2D, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #151C2D; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #151C2D; 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 #151C2D; background-color: #151C2D15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #151C2D20; border-left: 4px solid #151C2D; }

Link / Accent

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

a { color: #151C2D; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #151C2D in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

21, 28, 45

Red: 21 / Green: 28 / Blue: 45

HSL

223°, 36%, 13%

Hue: 223° / Saturation: 36% / Lightness: 13%

CMYK

53%, 38%, 0%, 82%

Cyan: 53% / Magenta: 38% / Yellow: 0% / Key: 82%

What color is #151C2D?

#151C2D is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #151C2D to RGB:

rgb(21, 28, 45)HEX to RGB Converter →

HEX to HSL

Convert #151C2D to HSL:

hsl(223, 36%, 13%)RGB to HSL Converter →

HEX to CMYK

Convert #151C2D to CMYK:

cmyk(53%, 38%, 0%, 82%)Color Converter →

Color Meaning and Usage

#151C2D is a dramatic blue color with RGB values of 21, 28, 45 and HSL of 223°, 36%, 13%. This very dark shade evokes sophistication and elegance, making it suitable for widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #151C2D is #2D2615, creating high-contrast pairings. For softer combinations, try analogous colors like #15282D.

Use #151C2D in CSS: color: #151C2D or background-color: #151C2D. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #151C2D

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

Contrast Ratio: 1.24:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #151C2D?

#151C2D is a dramatic blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #151C2D?

#151C2D in RGB is (21, 28, 45) - 21 red, 28 green, and 45 blue.

How to use #151C2D in CSS?

Use #151C2D directly in your CSS properties like color or background-color.

What colors go well with #151C2D?

#2D2615 (complementary), #15282D (analogous), and #000000 (lighter shade) work well with #151C2D.