black

#000000

#643D1D

#643D1D

Contrast Ratio

2.23:1

Delta E

42.09

Very Different

50:50 Mix

Color Values

Format #000000 #643D1D
HEX #000000 #643D1D
RGB 0, 0, 0 100, 61, 29
HSL 0.0, 0.0%, 0.0% 27.0, 55.0%, 25.3%
HSV 0.0, 0.0%, 0.0% 27.0, 71.0%, 39.2%
CMYK 0%, 0%, 0%, 100% 0.0%, 39.0%, 71.0%, 60.8%
OKLCH 0.0 0.0 0.0 0.3995 0.0714 58.0

Contrast & Accessibility

2.23:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #643D1D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #643D1D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #643D1D);
background: linear-gradient(135deg, #000000, #643D1D);

Explore Each Color

Related Comparisons