#1C303F Color Information

Hex color code: #1C303F

#1C303F is a dark blue color. In RGB it is (28, 48, 63), and in HSL it is (206°, 38%, 18%). It is often used for branding and logos.

Try:
Color NameDark Slate Gray
HEX
#1C303F
RGB
28, 48, 63
HSL
206°, 38%, 18%
CMYK
56%, 24%, 0%, 75%

Shades

CSS Usage
color: #1C303F;
background-color: #1C303F;
border-color: #1C303F;
box-shadow: 0 0 10px #1C303F;
border: 2px solid #1C303F;
Tailwind Usage
bg-[#1C303F]
text-[#1C303F]
border-[#1C303F]
shadow-[0_0_10px_1C303F]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #1C303F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1C303F; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #1C303F; 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 #1C303F; background-color: #1C303F15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #1C303F20; border-left: 4px solid #1C303F; }

Link / Accent

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

a { color: #1C303F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1C303F in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

28, 48, 63

Red: 28 / Green: 48 / Blue: 63

HSL

206°, 38%, 18%

Hue: 206° / Saturation: 38% / Lightness: 18%

CMYK

56%, 24%, 0%, 75%

Cyan: 56% / Magenta: 24% / Yellow: 0% / Key: 75%

What color is #1C303F?

#1C303F is a very dark shade associated with sophistication and elegance.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #1C303F to RGB:

rgb(28, 48, 63)HEX to RGB Converter →

HEX to HSL

Convert #1C303F to HSL:

hsl(206, 38%, 18%)RGB to HSL Converter →

HEX to CMYK

Convert #1C303F to CMYK:

cmyk(56%, 24%, 0%, 75%)Color Converter →

Color Meaning and Usage

A intense blue tone, #1C303F has RGB (28, 48, 63) and HSL (206°, 38%, 18%). Known for evoking sophistication and elegance, this very dark shade is frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1C303F is #3F2C1C, creating high-contrast pairings. For softer combinations, try analogous colors like #1C3F3D.

Use #1C303F in CSS: color: #1C303F or background-color: #1C303F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1C303F

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

Contrast Ratio: 1.54:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1C303F?

#1C303F is a intense blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #1C303F?

#1C303F in RGB is (28, 48, 63) - 28 red, 48 green, and 63 blue.

How to use #1C303F in CSS?

Use #1C303F directly in your CSS properties like color or background-color.

What colors go well with #1C303F?

#3F2C1C (complementary), #1C3F3D (analogous), and #05080B (lighter shade) work well with #1C303F.