#b71c1c

Material red-900

Color code information, RGB and HSL conversion values, WCAG accessibility contrast ratios, color harmonies, tints, and shades for #b71c1c.

Color Swatch#B71C1C

Best Text: White

The quick brown fox jumps over the lazy dog.

Sample typography preview rendered in #ffffff (white) text for optimal readability.

Color Values & Conversions

HEX#b71c1c

RGBrgb(183, 28, 28)

HSLhsl(0, 73%, 41%)

CMYKcmyk(0%, 85%, 85%, 28%)

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 White6.57:1

White Text Preview

Normal AA:Pass

Normal AAA:Fail

Large AA:Pass

Large AAA:Pass

Against Black2.87:1

Black Text Preview

Normal AA:Fail

Normal AAA:Fail

Large AA:Fail

Large AAA:Fail

Color Harmonies

Complementary (180°)

#b71c1cBase

#1cb5b5Complement

Triadic (±120°)

#b71c1cBase

#1cb51c+120°

#1c1cb5-120°

Analogous (±30°)

#b51c69-30°

#b71c1cBase

#b5691c+30°

Tints & Shades

Tints (Mixing toward White)

#c23e3e+15%

#cd6060+30%

#d78282+45%

#e2a4a4+60%

#edc6c6+75%

Shades (Mixing toward Black)

#9c1818-15%

#801414-30%

#650f0f-45%

#490b0b-60%

#2e0707-75%

Color Names

material-red-900Material Design

Also known as:

material-red-900

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