black

#000000

#556FC9

#556FC9

Contrast Ratio

4.5:1

Delta E

71.97

Very Different

50:50 Mix

Color Values

Format #000000 #556FC9
HEX #000000 #556FC9
RGB 0, 0, 0 85, 111, 201
HSL 0.0, 0.0%, 0.0% 226.6, 51.8%, 56.1%
HSV 0.0, 0.0%, 0.0% 226.6, 57.7%, 78.8%
CMYK 0%, 0%, 0%, 100% 57.7%, 44.8%, 0.0%, 21.2%
OKLCH 0.0 0.0 0.0 0.5658 0.142 269.3

Contrast & Accessibility

4.5:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #556FC9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #556FC9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #556FC9);
background: linear-gradient(135deg, #000000, #556FC9);

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