black

#000000

#C21F4F

#C21F4F

Contrast Ratio

3.6:1

Delta E

77.94

Very Different

50:50 Mix

Color Values

Format #000000 #C21F4F
HEX #000000 #C21F4F
RGB 0, 0, 0 194, 31, 79
HSL 0.0, 0.0%, 0.0% 342.3, 72.4%, 44.1%
HSV 0.0, 0.0%, 0.0% 342.3, 84.0%, 76.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 84.0%, 59.3%, 23.9%
OKLCH 0.0 0.0 0.0 0.5319 0.1952 11.3

Contrast & Accessibility

3.6:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #C21F4F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #C21F4F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #C21F4F);
background: linear-gradient(135deg, #000000, #C21F4F);

Explore Each Color

Related Comparisons