black

#000000

#636FDA

#636FDA

Contrast Ratio

4.82:1

Delta E

80.22

Very Different

50:50 Mix

Color Values

Format #000000 #636FDA
HEX #000000 #636FDA
RGB 0, 0, 0 99, 111, 218
HSL 0.0, 0.0%, 0.0% 233.9, 61.7%, 62.2%
HSV 0.0, 0.0%, 0.0% 233.9, 54.6%, 85.5%
CMYK 0%, 0%, 0%, 100% 54.6%, 49.1%, 0.0%, 14.5%
OKLCH 0.0 0.0 0.0 0.5857 0.1618 275.4

Contrast & Accessibility

4.82:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636FDA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636FDA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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