#1D333F Color Information

Hex color code: #1D333F

A dark blue shade, #1D333F appears as (29, 51, 63) in RGB and (201°, 37%, 18%) in HSL. It is often used for branding and logos.

Try:
Color NameDark Slate Gray
HEX
#1D333F
RGB
29, 51, 63
HSL
201°, 37%, 18%
CMYK
54%, 19%, 0%, 75%

Shades

CSS Usage
color: #1D333F;
background-color: #1D333F;
border-color: #1D333F;
box-shadow: 0 0 10px #1D333F;
border: 2px solid #1D333F;
Tailwind Usage
bg-[#1D333F]
text-[#1D333F]
border-[#1D333F]
shadow-[0_0_10px_1D333F]

Generate Gradient

→
Gradient CSS
background: linear-gradient(90deg, #1D333F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #1D333F; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #1D333F; 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 #1D333F; background-color: #1D333F15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #1D333F20; border-left: 4px solid #1D333F; }

Link / Accent

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

a { color: #1D333F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #1D333F in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

29, 51, 63

Red: 29 / Green: 51 / Blue: 63

HSL

201°, 37%, 18%

Hue: 201° / Saturation: 37% / Lightness: 18%

CMYK

54%, 19%, 0%, 75%

Cyan: 54% / Magenta: 19% / Yellow: 0% / Key: 75%

What color is #1D333F?

#1D333F is a very dark shade associated with sophistication and elegance.

Color Shades

FFFFFF
BBC2C5
77858C
344752

Complementary Colors

3F291D

Color Palette

3F291DComplementary
1D3F3AAnalogous
1D223F
3F1D33Triadic
333F1D
000000Shade
05080AShade
355D73Shade
4D88A8Shade

HEX to RGB

Convert #1D333F to RGB:

rgb(29, 51, 63)HEX to RGB Converter →

HEX to HSL

Convert #1D333F to HSL:

hsl(201, 37%, 18%)RGB to HSL Converter →

HEX to CMYK

Convert #1D333F to CMYK:

cmyk(54%, 19%, 0%, 75%)Color Converter →

Color Meaning and Usage

#1D333F is a dark blue color with RGB values of 29, 51, 63 and HSL of 201°, 37%, 18%. This very dark shade evokes sophistication and elegance, making it suitable for frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #1D333F is #3F291D, creating high-contrast pairings. For softer combinations, try analogous colors like #1D3F3A.

Use #1D333F in CSS: color: #1D333F or background-color: #1D333F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #1D333F

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

Contrast Ratio: 1.60:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #1D333F?

#1D333F is a dark blue color - a very dark shade that evokes sophistication and elegance.

What is the RGB value of #1D333F?

#1D333F in RGB is (29, 51, 63) - 29 red, 51 green, and 63 blue.

How to use #1D333F in CSS?

Use #1D333F directly in your CSS properties like color or background-color.

What colors go well with #1D333F?

#3F291D (complementary), #1D3F3A (analogous), and #05080A (lighter shade) work well with #1D333F.