#213745 Color Information

Hex color code: #213745

#213745 is a intense blue color. In RGB it is (33, 55, 69), and in HSL it is (203°, 35%, 20%). It is widely used in graphic design.

Try:
Color NameDark Slate Gray
HEX
#213745
RGB
33, 55, 69
HSL
203°, 35%, 20%
CMYK
52%, 20%, 0%, 73%

Shades

CSS Usage
color: #213745;
background-color: #213745;
border-color: #213745;
box-shadow: 0 0 10px #213745;
border: 2px solid #213745;
Tailwind Usage
bg-[#213745]
text-[#213745]
border-[#213745]
shadow-[0_0_10px_213745]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #213745, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #213745; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #213745; 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 #213745; background-color: #21374515; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #21374520; border-left: 4px solid #213745; }

Link / Accent

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

a { color: #213745; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #213745 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

33, 55, 69

Red: 33 / Green: 55 / Blue: 69

HSL

203°, 35%, 20%

Hue: 203° / Saturation: 35% / Lightness: 20%

CMYK

52%, 20%, 0%, 73%

Cyan: 52% / Magenta: 20% / Yellow: 0% / Key: 73%

What color is #213745?

#213745 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #213745 to RGB:

rgb(33, 55, 69)HEX to RGB Converter →

HEX to HSL

Convert #213745 to HSL:

hsl(203, 35%, 20%)RGB to HSL Converter →

HEX to CMYK

Convert #213745 to CMYK:

cmyk(52%, 20%, 0%, 73%)Color Converter →

Color Meaning and Usage

A deep blue tone, #213745 has RGB (33, 55, 69) and HSL (203°, 35%, 20%). Known for evoking trust and professionalism, this cyan-blue hue is frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #213745 is #452F21, creating high-contrast pairings. For softer combinations, try analogous colors like #214541.

Use #213745 in CSS: color: #213745 or background-color: #213745. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #213745

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

Contrast Ratio: 1.70:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #213745?

#213745 is a deep blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #213745?

#213745 in RGB is (33, 55, 69) - 33 red, 55 green, and 69 blue.

How to use #213745 in CSS?

Use #213745 directly in your CSS properties like color or background-color.

What colors go well with #213745?

#452F21 (complementary), #214541 (analogous), and #080E11 (lighter shade) work well with #213745.