black

#000000

#C51614

#C51614

Contrast Ratio

3.5:1

Delta E

90.41

Very Different

50:50 Mix

Color Values

Format #000000 #C51614
HEX #000000 #C51614
RGB 0, 0, 0 197, 22, 20
HSL 0.0, 0.0%, 0.0% 0.7, 81.6%, 42.5%
HSV 0.0, 0.0%, 0.0% 0.7, 89.8%, 77.3%
CMYK 0%, 0%, 0%, 100% 0.0%, 88.8%, 89.8%, 22.7%
OKLCH 0.0 0.0 0.0 0.5246 0.2047 28.5

Contrast & Accessibility

3.5:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C51614 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #C51614

Color Difference (Delta E)

90.41 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, #C51614);
background: linear-gradient(135deg, #000000, #C51614);

Explore Each Color

Related Comparisons