black

#000000

#516CB5

#516CB5

Contrast Ratio

4.16:1

Delta E

63.78

Very Different

50:50 Mix

Color Values

Format #000000 #516CB5
HEX #000000 #516CB5
RGB 0, 0, 0 81, 108, 181
HSL 0.0, 0.0%, 0.0% 223.8, 40.3%, 51.4%
HSV 0.0, 0.0%, 0.0% 223.8, 55.2%, 71.0%
CMYK 0%, 0%, 0%, 100% 55.2%, 40.3%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.5448 0.1186 267.1

Contrast & Accessibility

4.16:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #516CB5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #516CB5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #516CB5);
background: linear-gradient(135deg, #000000, #516CB5);

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