black

#000000

#3F57AF

#3F57AF

Contrast Ratio

3.19:1

Delta E

66.53

Very Different

50:50 Mix

Color Values

Format #000000 #3F57AF
HEX #000000 #3F57AF
RGB 0, 0, 0 63, 87, 175
HSL 0.0, 0.0%, 0.0% 227.1, 47.1%, 46.7%
HSV 0.0, 0.0%, 0.0% 227.1, 64.0%, 68.6%
CMYK 0%, 0%, 0%, 100% 64.0%, 50.3%, 0.0%, 31.4%
OKLCH 0.0 0.0 0.0 0.4859 0.1427 269.1

Contrast & Accessibility

3.19:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F57AF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F57AF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F57AF);
background: linear-gradient(135deg, #000000, #3F57AF);

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