black

#000000

#637DFD

#637DFD

Contrast Ratio

5.88:1

Delta E

92.09

Very Different

50:50 Mix

Color Values

Format #000000 #637DFD
HEX #000000 #637DFD
RGB 0, 0, 0 99, 125, 253
HSL 0.0, 0.0%, 0.0% 229.9, 97.5%, 69.0%
HSV 0.0, 0.0%, 0.0% 229.9, 60.9%, 99.2%
CMYK 0%, 0%, 0%, 100% 60.9%, 50.6%, 0.0%, 0.8%
OKLCH 0.0 0.0 0.0 0.6358 0.1915 271.3

Contrast & Accessibility

5.88:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #637DFD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #637DFD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #637DFD);
background: linear-gradient(135deg, #000000, #637DFD);

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