black

#000000

#C61715

#C61715

Contrast Ratio

3.53:1

Delta E

90.54

Very Different

50:50 Mix

Color Values

Format #000000 #C61715
HEX #000000 #C61715
RGB 0, 0, 0 198, 23, 21
HSL 0.0, 0.0%, 0.0% 0.7, 80.8%, 42.9%
HSV 0.0, 0.0%, 0.0% 0.7, 89.4%, 77.6%
CMYK 0%, 0%, 0%, 100% 0.0%, 88.4%, 89.4%, 22.4%
OKLCH 0.0 0.0 0.0 0.527 0.205 28.4

Contrast & Accessibility

3.53:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C61715 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C61715

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C61715);
background: linear-gradient(135deg, #000000, #C61715);

Explore Each Color

Related Comparisons