black

#000000

#636FD0

#636FD0

Contrast Ratio

4.72:1

Delta E

75.56

Very Different

50:50 Mix

Color Values

Format #000000 #636FD0
HEX #000000 #636FD0
RGB 0, 0, 0 99, 111, 208
HSL 0.0, 0.0%, 0.0% 233.4, 53.7%, 60.2%
HSV 0.0, 0.0%, 0.0% 233.4, 52.4%, 81.6%
CMYK 0%, 0%, 0%, 100% 52.4%, 46.6%, 0.0%, 18.4%
OKLCH 0.0 0.0 0.0 0.5792 0.1479 275.5

Contrast & Accessibility

4.72:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636FD0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636FD0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #636FD0);
background: linear-gradient(135deg, #000000, #636FD0);

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