black

#000000

#3F63C1

#3F63C1

Contrast Ratio

3.77:1

Delta E

71.39

Very Different

50:50 Mix

Color Values

Format #000000 #3F63C1
HEX #000000 #3F63C1
RGB 0, 0, 0 63, 99, 193
HSL 0.0, 0.0%, 0.0% 223.4, 51.2%, 50.2%
HSV 0.0, 0.0%, 0.0% 223.4, 67.4%, 75.7%
CMYK 0%, 0%, 0%, 100% 67.4%, 48.7%, 0.0%, 24.3%
OKLCH 0.0 0.0 0.0 0.5236 0.1528 265.6

Contrast & Accessibility

3.77:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F63C1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F63C1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F63C1);
background: linear-gradient(135deg, #000000, #3F63C1);

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