black

#000000

#64748E

#64748E

Contrast Ratio

4.43:1

Delta E

51.06

Very Different

50:50 Mix

Color Values

Format #000000 #64748E
HEX #000000 #64748E
RGB 0, 0, 0 100, 116, 142
HSL 0.0, 0.0%, 0.0% 217.1, 17.4%, 47.5%
HSV 0.0, 0.0%, 0.0% 217.1, 29.6%, 55.7%
CMYK 0%, 0%, 0%, 100% 29.6%, 18.3%, 0.0%, 44.3%
OKLCH 0.0 0.0 0.0 0.5556 0.0449 260.1

Contrast & Accessibility

4.43:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #64748E β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #64748E

Color Difference (Delta E)

51.06 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, #64748E);
background: linear-gradient(135deg, #000000, #64748E);

Explore Each Color

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