black

#000000

#3F63B5

#3F63B5

Contrast Ratio

3.66:1

Delta E

65.65

Very Different

50:50 Mix

Color Values

Format #000000 #3F63B5
HEX #000000 #3F63B5
RGB 0, 0, 0 63, 99, 181
HSL 0.0, 0.0%, 0.0% 221.7, 48.4%, 47.8%
HSV 0.0, 0.0%, 0.0% 221.7, 65.2%, 71.0%
CMYK 0%, 0%, 0%, 100% 65.2%, 45.3%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.5154 0.1361 264.3

Contrast & Accessibility

3.66:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F63B5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F63B5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F63B5);
background: linear-gradient(135deg, #000000, #3F63B5);

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