black

#000000

#663FF6

#663FF6

Contrast Ratio

3.61:1

Delta E

113.75

Very Different

50:50 Mix

Color Values

Format #000000 #663FF6
HEX #000000 #663FF6
RGB 0, 0, 0 102, 63, 246
HSL 0.0, 0.0%, 0.0% 252.8, 91.0%, 60.6%
HSV 0.0, 0.0%, 0.0% 252.8, 74.4%, 96.5%
CMYK 0%, 0%, 0%, 100% 58.5%, 74.4%, 0.0%, 3.5%
OKLCH 0.0 0.0 0.0 0.5346 0.2526 283.6

Contrast & Accessibility

3.61:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663FF6 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663FF6

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #663FF6);
background: linear-gradient(135deg, #000000, #663FF6);

Explore Each Color

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