black

#000000

#B51E2D

#B51E2D

Contrast Ratio

3.19:1

Delta E

77.2

Very Different

50:50 Mix

Color Values

Format #000000 #B51E2D
HEX #000000 #B51E2D
RGB 0, 0, 0 181, 30, 45
HSL 0.0, 0.0%, 0.0% 354.0, 71.6%, 41.4%
HSV 0.0, 0.0%, 0.0% 354.0, 83.4%, 71.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 83.4%, 75.1%, 29.0%
OKLCH 0.0 0.0 0.0 0.501 0.184 22.8

Contrast & Accessibility

3.19:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #B51E2D β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #B51E2D

Color Difference (Delta E)

77.2 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #B51E2D);
background: linear-gradient(135deg, #000000, #B51E2D);

Explore Each Color

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