black

#000000

#645CDD

#645CDD

Contrast Ratio

4.12:1

Delta E

88.82

Very Different

50:50 Mix

Color Values

Format #000000 #645CDD
HEX #000000 #645CDD
RGB 0, 0, 0 100, 92, 221
HSL 0.0, 0.0%, 0.0% 243.7, 65.5%, 61.4%
HSV 0.0, 0.0%, 0.0% 243.7, 58.4%, 86.7%
CMYK 0%, 0%, 0%, 100% 54.8%, 58.4%, 0.0%, 13.3%
OKLCH 0.0 0.0 0.0 0.5539 0.1904 281.0

Contrast & Accessibility

4.12:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #645CDD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #645CDD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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