black

#000000

#636FD6

#636FD6

Contrast Ratio

4.78:1

Delta E

78.34

Very Different

50:50 Mix

Color Values

Format #000000 #636FD6
HEX #000000 #636FD6
RGB 0, 0, 0 99, 111, 214
HSL 0.0, 0.0%, 0.0% 233.7, 58.4%, 61.4%
HSV 0.0, 0.0%, 0.0% 233.7, 53.7%, 83.9%
CMYK 0%, 0%, 0%, 100% 53.7%, 48.1%, 0.0%, 16.1%
OKLCH 0.0 0.0 0.0 0.583 0.1563 275.5

Contrast & Accessibility

4.78:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636FD6 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636FD6

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #636FD6);
background: linear-gradient(135deg, #000000, #636FD6);

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