#CB151B Color Information

Hex color code: #CB151B

#CB151B is a vivid red color. In RGB it is (203, 21, 27), and in HSL it is (358°, 81%, 44%). It is commonly used in modern UI design.

Try:

Color NameFirebrick

HEX

#CB151B

RGB

203, 21, 27

HSL

358°, 81%, 44%

CMYK

0%, 90%, 87%, 20%

Shades

CSS Usage

color: #CB151B;
background-color: #CB151B;
border-color: #CB151B;
box-shadow: 0 0 10px #CB151B;
border: 2px solid #CB151B;

Tailwind Usage

bg-[#CB151B]
text-[#CB151B]
border-[#CB151B]
shadow-[0_0_10px_CB151B]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #CB151B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #CB151B; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #CB151B; 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 #CB151B; background-color: #CB151B15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #CB151B20; border-left: 4px solid #CB151B; }

Link / Accent

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

a { color: #CB151B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #CB151B in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

203, 21, 27

Red: 203 / Green: 21 / Blue: 27

HSL

358°, 81%, 44%

Hue: 358° / Saturation: 81% / Lightness: 44%

CMYK

0%, 90%, 87%, 20%

Cyan: 0% / Magenta: 90% / Yellow: 87% / Key: 20%

What color is #CB151B?

#CB151B is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

15CBC5

Color Palette

HEX to RGB

Convert #CB151B to RGB:

rgb(203, 21, 27)HEX to RGB Converter →

HEX to HSL

Convert #CB151B to HSL:

hsl(358, 81%, 44%)RGB to HSL Converter →

HEX to CMYK

Convert #CB151B to CMYK:

cmyk(0%, 90%, 87%, 20%)Color Converter →

Color Meaning and Usage

#CB151B is a vivid red color with RGB values of 203, 21, 27 and HSL of 358°, 81%, 44%. This highly saturated hue evokes energy and excitement, making it suitable for widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #CB151B is #15CBC5, creating high-contrast pairings. For softer combinations, try analogous colors like #CB1576.

Use #CB151B in CSS: color: #CB151B or background-color: #CB151B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #CB151B

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

Contrast Ratio: 3.66:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #CB151B?

#CB151B is a vivid red color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #CB151B?

#CB151B in RGB is (203, 21, 27) - 203 red, 21 green, and 27 blue.

How to use #CB151B in CSS?

Use #CB151B directly in your CSS properties like color or background-color.

What colors go well with #CB151B?

#15CBC5 (complementary), #CB1576 (analogous), and #860E12 (lighter shade) work well with #CB151B.