#30403B Color Information

Hex color code: #30403B

The hex color #30403B is a dramatic cyan with RGB values of (48, 64, 59) and HSL of (161°, 14%, 22%). It is typically applied in digital products.

Try:
Color NameDark Slate Gray
HEX
#30403B
RGB
48, 64, 59
HSL
161°, 14%, 22%
CMYK
25%, 0%, 8%, 75%

Shades

CSS Usage
color: #30403B;
background-color: #30403B;
border-color: #30403B;
box-shadow: 0 0 10px #30403B;
border: 2px solid #30403B;
Tailwind Usage
bg-[#30403B]
text-[#30403B]
border-[#30403B]
shadow-[0_0_10px_30403B]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #30403B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #30403B; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #30403B; 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 #30403B; background-color: #30403B15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #30403B20; border-left: 4px solid #30403B; }

Link / Accent

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

a { color: #30403B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #30403B in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

48, 64, 59

Red: 48 / Green: 64 / Blue: 59

HSL

161°, 14%, 22%

Hue: 161° / Saturation: 14% / Lightness: 22%

CMYK

25%, 0%, 8%, 75%

Cyan: 25% / Magenta: 0% / Yellow: 8% / Key: 75%

What color is #30403B?

#30403B is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #30403B to RGB:

rgb(48, 64, 59)HEX to RGB Converter →

HEX to HSL

Convert #30403B to HSL:

hsl(161, 14%, 22%)RGB to HSL Converter →

HEX to CMYK

Convert #30403B to CMYK:

cmyk(25%, 0%, 8%, 75%)Color Converter →

Color Meaning and Usage

#30403B is a dark cyan color with RGB values of 48, 64, 59 and HSL of 161°, 14%, 22%. This desaturated neutral evokes balance and subtlety, making it suitable for a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #30403B is #403035, creating high-contrast pairings. For softer combinations, try analogous colors like #304033.

Use #30403B in CSS: color: #30403B or background-color: #30403B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #30403B

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

Contrast Ratio: 1.92:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #30403B?

#30403B is a dark cyan color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #30403B?

#30403B in RGB is (48, 64, 59) - 48 red, 64 green, and 59 blue.

How to use #30403B in CSS?

Use #30403B directly in your CSS properties like color or background-color.

What colors go well with #30403B?

#403035 (complementary), #304033 (analogous), and #0F1413 (lighter shade) work well with #30403B.