black

#000000

#555ACB

#555ACB

Contrast Ratio

3.71:1

Delta E

80.12

Very Different

50:50 Mix

Color Values

Format #000000 #555ACB
HEX #000000 #555ACB
RGB 0, 0, 0 85, 90, 203
HSL 0.0, 0.0%, 0.0% 237.5, 53.2%, 56.5%
HSV 0.0, 0.0%, 0.0% 237.5, 58.1%, 79.6%
CMYK 0%, 0%, 0%, 100% 58.1%, 55.7%, 0.0%, 20.4%
OKLCH 0.0 0.0 0.0 0.5261 0.1719 276.8

Contrast & Accessibility

3.71:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #555ACB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #555ACB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #555ACB);
background: linear-gradient(135deg, #000000, #555ACB);

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