black

#000000

#557DBA

#557DBA

Contrast Ratio

5.03:1

Delta E

63.55

Very Different

50:50 Mix

Color Values

Format #000000 #557DBA
HEX #000000 #557DBA
RGB 0, 0, 0 85, 125, 186
HSL 0.0, 0.0%, 0.0% 216.2, 42.3%, 53.1%
HSV 0.0, 0.0%, 0.0% 216.2, 54.3%, 72.9%
CMYK 0%, 0%, 0%, 100% 54.3%, 32.8%, 0.0%, 27.1%
OKLCH 0.0 0.0 0.0 0.5872 0.1044 258.6

Contrast & Accessibility

5.03:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #557DBA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #557DBA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #557DBA);
background: linear-gradient(135deg, #000000, #557DBA);

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