#A51823 Color Information

Hex color code: #A51823

The hex color #A51823 is a eye-catching red with RGB values of (165, 24, 35) and HSL of (355°, 75%, 37%). It is widely used in graphic design.

Try:

Color NameFirebrick

HEX

#A51823

RGB

165, 24, 35

HSL

355°, 75%, 37%

CMYK

0%, 85%, 79%, 35%

Shades

CSS Usage

color: #A51823;
background-color: #A51823;
border-color: #A51823;
box-shadow: 0 0 10px #A51823;
border: 2px solid #A51823;

Tailwind Usage

bg-[#A51823]
text-[#A51823]
border-[#A51823]
shadow-[0_0_10px_A51823]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #A51823, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #A51823; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #A51823; 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 #A51823; background-color: #A5182315; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #A5182320; border-left: 4px solid #A51823; }

Link / Accent

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

a { color: #A51823; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #A51823 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

165, 24, 35

Red: 165 / Green: 24 / Blue: 35

HSL

355°, 75%, 37%

Hue: 355° / Saturation: 75% / Lightness: 37%

CMYK

0%, 85%, 79%, 35%

Cyan: 0% / Magenta: 85% / Yellow: 79% / Key: 35%

What color is #A51823?

#A51823 is a red-orange hue associated with warmth and passion.

Color Shades

Complementary Colors

18A599

Color Palette

HEX to RGB

Convert #A51823 to RGB:

rgb(165, 24, 35)HEX to RGB Converter →

HEX to HSL

Convert #A51823 to HSL:

hsl(355, 75%, 37%)RGB to HSL Converter →

HEX to CMYK

Convert #A51823 to CMYK:

cmyk(0%, 85%, 79%, 35%)Color Converter →

Color Meaning and Usage

A eye-catching red tone, #A51823 has RGB (165, 24, 35) and HSL (355°, 75%, 37%). Known for evoking warmth and passion, this red-orange hue is popular for illustrations and friendly visual themes. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #A51823 is #18A599, creating high-contrast pairings. For softer combinations, try analogous colors like #A5186A.

Use #A51823 in CSS: color: #A51823 or background-color: #A51823. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #A51823

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

Contrast Ratio: 2.75:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #A51823?

#A51823 is a eye-catching red color - a red-orange hue that evokes warmth and passion.

What is the RGB value of #A51823?

#A51823 in RGB is (165, 24, 35) - 165 red, 24 green, and 35 blue.

How to use #A51823 in CSS?

Use #A51823 directly in your CSS properties like color or background-color.

What colors go well with #A51823?

#18A599 (complementary), #A5186A (analogous), and #620E15 (lighter shade) work well with #A51823.