black

#000000

#636FDB

#636FDB

Contrast Ratio

4.83:1

Delta E

80.68

Very Different

50:50 Mix

Color Values

Format #000000 #636FDB
HEX #000000 #636FDB
RGB 0, 0, 0 99, 111, 219
HSL 0.0, 0.0%, 0.0% 234.0, 62.5%, 62.4%
HSV 0.0, 0.0%, 0.0% 234.0, 54.8%, 85.9%
CMYK 0%, 0%, 0%, 100% 54.8%, 49.3%, 0.0%, 14.1%
OKLCH 0.0 0.0 0.0 0.5863 0.1632 275.4

Contrast & Accessibility

4.83:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636FDB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636FDB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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