black

#000000

#663DC7

#663DC7

Contrast Ratio

3.06:1

Delta E

90.97

Very Different

50:50 Mix

Color Values

Format #000000 #663DC7
HEX #000000 #663DC7
RGB 0, 0, 0 102, 61, 199
HSL 0.0, 0.0%, 0.0% 257.8, 55.2%, 51.0%
HSV 0.0, 0.0%, 0.0% 257.8, 69.3%, 78.0%
CMYK 0%, 0%, 0%, 100% 48.7%, 69.3%, 0.0%, 22.0%
OKLCH 0.0 0.0 0.0 0.4904 0.2013 290.7

Contrast & Accessibility

3.06:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663DC7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663DC7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #663DC7);
background: linear-gradient(135deg, #000000, #663DC7);

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