black

#000000

#645DCF

#645DCF

Contrast Ratio

4.01:1

Delta E

81.38

Very Different

50:50 Mix

Color Values

Format #000000 #645DCF
HEX #000000 #645DCF
RGB 0, 0, 0 100, 93, 207
HSL 0.0, 0.0%, 0.0% 243.7, 54.3%, 58.8%
HSV 0.0, 0.0%, 0.0% 243.7, 55.1%, 81.2%
CMYK 0%, 0%, 0%, 100% 51.7%, 55.1%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.5454 0.1706 281.9

Contrast & Accessibility

4.01:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #645DCF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #645DCF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #645DCF);
background: linear-gradient(135deg, #000000, #645DCF);

Explore Each Color

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