black

#000000

#64708B

#64708B

Contrast Ratio

4.23:1

Delta E

49.95

Very Different

50:50 Mix

Color Values

Format #000000 #64708B
HEX #000000 #64708B
RGB 0, 0, 0 100, 112, 139
HSL 0.0, 0.0%, 0.0% 221.5, 16.3%, 46.9%
HSV 0.0, 0.0%, 0.0% 221.5, 28.1%, 54.5%
CMYK 0%, 0%, 0%, 100% 28.1%, 19.4%, 0.0%, 45.5%
OKLCH 0.0 0.0 0.0 0.5453 0.0447 266.2

Contrast & Accessibility

4.23:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #64708B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #64708B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #64708B);
background: linear-gradient(135deg, #000000, #64708B);

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