black

#000000

#556AD9

#556AD9

Contrast Ratio

4.45:1

Delta E

81.07

Very Different

50:50 Mix

Color Values

Format #000000 #556AD9
HEX #000000 #556AD9
RGB 0, 0, 0 85, 106, 217
HSL 0.0, 0.0%, 0.0% 230.5, 63.5%, 59.2%
HSV 0.0, 0.0%, 0.0% 230.5, 60.8%, 85.1%
CMYK 0%, 0%, 0%, 100% 60.8%, 51.2%, 0.0%, 14.9%
OKLCH 0.0 0.0 0.0 0.5665 0.1705 271.8

Contrast & Accessibility

4.45:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #556AD9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #556AD9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #556AD9);
background: linear-gradient(135deg, #000000, #556AD9);

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