#ef4444

Tailwind red-500

Color code information, RGB and HSL conversion values, WCAG accessibility contrast ratios, color harmonies, tints, and shades for #ef4444.

Color Swatch#EF4444

Best Text: Black

The quick brown fox jumps over the lazy dog.

Sample typography preview rendered in #000000 (black) text for optimal readability.

Color Values & Conversions

HEX#ef4444

RGBrgb(239, 68, 68)

HSLhsl(0, 84%, 60%)

CMYKcmyk(0%, 72%, 72%, 6%)

WCAG Contrast Ratios

Contrast evaluation under WCAG 2.1 standards. Normal text requires 4.5:1 (AA) or 7.0:1 (AAA). Large text (≥18pt or 14pt bold) requires 3.0:1 (AA) or 4.5:1 (AAA).

Against White3.76:1

White Text Preview

Normal AA:Fail

Normal AAA:Fail

Large AA:Pass

Large AAA:Fail

Against Black5.02:1

Black Text Preview

Normal AA:Pass

Normal AAA:Fail

Large AA:Pass

Large AAA:Pass

Color Harmonies

Complementary (180°)

#ef4444Base

#43efefComplement

Triadic (±120°)

#ef4444Base

#43ef43+120°

#4343ef-120°

Analogous (±30°)

#ef4399-30°

#ef4444Base

#ef9943+30°

Tints & Shades

Tints (Mixing toward White)

#f16060+15%

#f47c7c+30%

#f69898+45%

#f9b4b4+60%

#fbd0d0+75%

Shades (Mixing toward Black)

#cb3a3a-15%

#a73030-30%

#832525-45%

#601b1b-60%

#3c1111-75%

Color Names

red-500Tailwind CSS

Also known as:

red-500

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