black

#000000

#638DFF

#638DFF

Contrast Ratio

6.78:1

Delta E

88.39

Very Different

50:50 Mix

Color Values

Format #000000 #638DFF
HEX #000000 #638DFF
RGB 0, 0, 0 99, 141, 255
HSL 0.0, 0.0%, 0.0% 223.8, 100.0%, 69.4%
HSV 0.0, 0.0%, 0.0% 223.8, 61.2%, 100.0%
CMYK 0%, 0%, 0%, 100% 61.2%, 44.7%, 0.0%, 0.0%
OKLCH 0.0 0.0 0.0 0.6682 0.1749 266.5

Contrast & Accessibility

6.78:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638DFF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638DFF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #638DFF);
background: linear-gradient(135deg, #000000, #638DFF);

Explore Each Color

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