black

#000000

#C13D30

#C13D30

Contrast Ratio

3.98:1

Delta E

78.48

Very Different

50:50 Mix

Color Values

Format #000000 #C13D30
HEX #000000 #C13D30
RGB 0, 0, 0 193, 61, 48
HSL 0.0, 0.0%, 0.0% 5.4, 60.2%, 47.3%
HSV 0.0, 0.0%, 0.0% 5.4, 75.1%, 75.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 68.4%, 75.1%, 24.3%
OKLCH 0.0 0.0 0.0 0.5499 0.1706 29.3

Contrast & Accessibility

3.98:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C13D30 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C13D30

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C13D30);
background: linear-gradient(135deg, #000000, #C13D30);

Explore Each Color

Related Comparisons