black

#000000

#C13C30

#C13C30

Contrast Ratio

3.96:1

Delta E

78.58

Very Different

50:50 Mix

Color Values

Format #000000 #C13C30
HEX #000000 #C13C30
RGB 0, 0, 0 193, 60, 48
HSL 0.0, 0.0%, 0.0% 5.0, 60.2%, 47.3%
HSV 0.0, 0.0%, 0.0% 5.0, 75.1%, 75.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 68.9%, 75.1%, 24.3%
OKLCH 0.0 0.0 0.0 0.5488 0.1715 29.0

Contrast & Accessibility

3.96:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C13C30 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C13C30

Color Difference (Delta E)

78.58 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C13C30);
background: linear-gradient(135deg, #000000, #C13C30);

Explore Each Color

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