#37303B Color Information

Hex color code: #37303B

The hex color #37303B is a dramatic purple with RGB values of (55, 48, 59) and HSL of (278°, 10%, 21%). It is typically applied in digital products.

Try:
Color NameDark Slate Gray
HEX
#37303B
RGB
55, 48, 59
HSL
278°, 10%, 21%
CMYK
7%, 19%, 0%, 77%

Shades

CSS Usage
color: #37303B;
background-color: #37303B;
border-color: #37303B;
box-shadow: 0 0 10px #37303B;
border: 2px solid #37303B;
Tailwind Usage
bg-[#37303B]
text-[#37303B]
border-[#37303B]
shadow-[0_0_10px_37303B]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #37303B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #37303B; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #37303B; 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 #37303B; background-color: #37303B15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #37303B20; border-left: 4px solid #37303B; }

Link / Accent

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

a { color: #37303B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #37303B in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

55, 48, 59

Red: 55 / Green: 48 / Blue: 59

HSL

278°, 10%, 21%

Hue: 278° / Saturation: 10% / Lightness: 21%

CMYK

7%, 19%, 0%, 77%

Cyan: 7% / Magenta: 19% / Yellow: 0% / Key: 77%

What color is #37303B?

#37303B is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #37303B to RGB:

rgb(55, 48, 59)HEX to RGB Converter →

HEX to HSL

Convert #37303B to HSL:

hsl(278, 10%, 21%)RGB to HSL Converter →

HEX to CMYK

Convert #37303B to CMYK:

cmyk(7%, 19%, 0%, 77%)Color Converter →

Color Meaning and Usage

#37303B is a deep purple color with RGB values of 55, 48, 59 and HSL of 278°, 10%, 21%. This desaturated neutral evokes balance and subtlety, making it suitable for widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #37303B is #343B30, creating high-contrast pairings. For softer combinations, try analogous colors like #32303B.

Use #37303B in CSS: color: #37303B or background-color: #37303B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #37303B

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

Contrast Ratio: 1.65:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #37303B?

#37303B is a deep purple color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #37303B?

#37303B in RGB is (55, 48, 59) - 55 red, 48 green, and 59 blue.

How to use #37303B in CSS?

Use #37303B directly in your CSS properties like color or background-color.

What colors go well with #37303B?

#343B30 (complementary), #32303B (analogous), and #100E11 (lighter shade) work well with #37303B.