#A31F1F Color Information

Hex color code: #A31F1F

The hex color #A31F1F is a vibrant red with RGB values of (163, 31, 31) and HSL of (0°, 68%, 38%). It is popular in mobile app design.

Try:

Color NameFirebrick

HEX

#A31F1F

RGB

163, 31, 31

HSL

0°, 68%, 38%

CMYK

0%, 81%, 81%, 36%

Shades

CSS Usage

color: #A31F1F;
background-color: #A31F1F;
border-color: #A31F1F;
box-shadow: 0 0 10px #A31F1F;
border: 2px solid #A31F1F;

Tailwind Usage

bg-[#A31F1F]
text-[#A31F1F]
border-[#A31F1F]
shadow-[0_0_10px_A31F1F]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #A31F1F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #A31F1F; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #A31F1F; 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 #A31F1F; background-color: #A31F1F15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #A31F1F20; border-left: 4px solid #A31F1F; }

Link / Accent

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

a { color: #A31F1F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #A31F1F in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

163, 31, 31

Red: 163 / Green: 31 / Blue: 31

HSL

0°, 68%, 38%

Hue: 0° / Saturation: 68% / Lightness: 38%

CMYK

0%, 81%, 81%, 36%

Cyan: 0% / Magenta: 81% / Yellow: 81% / Key: 36%

What color is #A31F1F?

#A31F1F is a red-orange hue associated with warmth and passion.

Color Shades

Complementary Colors

1FA3A3

Color Palette

HEX to RGB

Convert #A31F1F to RGB:

rgb(163, 31, 31)HEX to RGB Converter →

HEX to HSL

Convert #A31F1F to HSL:

hsl(0, 68%, 38%)RGB to HSL Converter →

HEX to CMYK

Convert #A31F1F to CMYK:

cmyk(0%, 81%, 81%, 36%)Color Converter →

Color Meaning and Usage

#A31F1F is a vibrant red color with RGB values of 163, 31, 31 and HSL of 0°, 68%, 38%. This red-orange hue evokes warmth and passion, making it suitable for frequently chosen for fintech and productivity apps. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #A31F1F is #1FA3A3, creating high-contrast pairings. For softer combinations, try analogous colors like #A31F61.

Use #A31F1F in CSS: color: #A31F1F or background-color: #A31F1F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #A31F1F

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

Contrast Ratio: 2.77:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #A31F1F?

#A31F1F is a vibrant red color - a red-orange hue that evokes warmth and passion.

What is the RGB value of #A31F1F?

#A31F1F in RGB is (163, 31, 31) - 163 red, 31 green, and 31 blue.

How to use #A31F1F in CSS?

Use #A31F1F directly in your CSS properties like color or background-color.

What colors go well with #A31F1F?

#1FA3A3 (complementary), #A31F61 (analogous), and #631313 (lighter shade) work well with #A31F1F.