black

#000000

#516CB1

#516CB1

Contrast Ratio

4.13:1

Delta E

62.1

Very Different

50:50 Mix

Color Values

Format #000000 #516CB1
HEX #000000 #516CB1
RGB 0, 0, 0 81, 108, 177
HSL 0.0, 0.0%, 0.0% 223.1, 38.1%, 50.6%
HSV 0.0, 0.0%, 0.0% 223.1, 54.2%, 69.4%
CMYK 0%, 0%, 0%, 100% 54.2%, 39.0%, 0.0%, 30.6%
OKLCH 0.0 0.0 0.0 0.5425 0.1129 266.5

Contrast & Accessibility

4.13:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #516CB1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #516CB1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #516CB1);
background: linear-gradient(135deg, #000000, #516CB1);

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