black

#000000

#644951

#644951

Contrast Ratio

2.61:1

Delta E

36.48

Very Different

50:50 Mix

Color Values

Format #000000 #644951
HEX #000000 #644951
RGB 0, 0, 0 100, 73, 81
HSL 0.0, 0.0%, 0.0% 342.2, 15.6%, 33.9%
HSV 0.0, 0.0%, 0.0% 342.2, 27.0%, 39.2%
CMYK 0%, 0%, 0%, 100% 0.0%, 27.0%, 19.0%, 60.8%
OKLCH 0.0 0.0 0.0 0.4371 0.0386 359.3

Contrast & Accessibility

2.61:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #644951 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #644951

Color Difference (Delta E)

36.48 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #644951);
background: linear-gradient(135deg, #000000, #644951);

Explore Each Color

Related Comparisons