black

#000000

#3F63D0

#3F63D0

Contrast Ratio

3.91:1

Delta E

78.79

Very Different

50:50 Mix

Color Values

Format #000000 #3F63D0
HEX #000000 #3F63D0
RGB 0, 0, 0 63, 99, 208
HSL 0.0, 0.0%, 0.0% 225.1, 60.7%, 53.1%
HSV 0.0, 0.0%, 0.0% 225.1, 69.7%, 81.6%
CMYK 0%, 0%, 0%, 100% 69.7%, 52.4%, 0.0%, 18.4%
OKLCH 0.0 0.0 0.0 0.5344 0.1734 266.7

Contrast & Accessibility

3.91:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F63D0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F63D0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F63D0);
background: linear-gradient(135deg, #000000, #3F63D0);

Explore Each Color

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