#333E40 Color Information

Hex color code: #333E40

The hex color #333E40 is a intense cyan with RGB values of (51, 62, 64) and HSL of (189°, 11%, 23%). It is widely used in graphic design.

Try:

Color NameDark Slate Gray

HEX

#333E40

RGB

51, 62, 64

HSL

189°, 11%, 23%

CMYK

20%, 3%, 0%, 75%

Shades

CSS Usage

color: #333E40;
background-color: #333E40;
border-color: #333E40;
box-shadow: 0 0 10px #333E40;
border: 2px solid #333E40;

Tailwind Usage

bg-[#333E40]
text-[#333E40]
border-[#333E40]
shadow-[0_0_10px_333E40]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #333E40, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #333E40; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #333E40; 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 #333E40; background-color: #333E4015; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #333E4020; border-left: 4px solid #333E40; }

Link / Accent

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

a { color: #333E40; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #333E40 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

51, 62, 64

Red: 51 / Green: 62 / Blue: 64

HSL

189°, 11%, 23%

Hue: 189° / Saturation: 11% / Lightness: 23%

CMYK

20%, 3%, 0%, 75%

Cyan: 20% / Magenta: 3% / Yellow: 0% / Key: 75%

What color is #333E40?

#333E40 is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

413634

Color Palette

HEX to RGB

Convert #333E40 to RGB:

rgb(51, 62, 64)HEX to RGB Converter →

HEX to HSL

Convert #333E40 to HSL:

hsl(189, 11%, 23%)RGB to HSL Converter →

HEX to CMYK

Convert #333E40 to CMYK:

cmyk(20%, 3%, 0%, 75%)Color Converter →

Color Meaning and Usage

A deep cyan tone, #333E40 has RGB (51, 62, 64) and HSL (189°, 11%, 23%). Known for evoking balance and subtlety, this desaturated neutral is typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #333E40 is #413634, creating high-contrast pairings. For softer combinations, try analogous colors like #34413D.

Use #333E40 in CSS: color: #333E40 or background-color: #333E40. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #333E40

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

Contrast Ratio: 1.90:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #333E40?

#333E40 is a deep cyan color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #333E40?

#333E40 in RGB is (51, 62, 64) - 51 red, 62 green, and 64 blue.

How to use #333E40 in CSS?

Use #333E40 directly in your CSS properties like color or background-color.

What colors go well with #333E40?

#413634 (complementary), #34413D (analogous), and #121617 (lighter shade) work well with #333E40.