black

#000000

#558EFF

#558EFF

Contrast Ratio

6.7:1

Delta E

87.98

Very Different

50:50 Mix

Color Values

Format #000000 #558EFF
HEX #000000 #558EFF
RGB 0, 0, 0 85, 142, 255
HSL 0.0, 0.0%, 0.0% 219.9, 100.0%, 66.7%
HSV 0.0, 0.0%, 0.0% 219.9, 66.7%, 100.0%
CMYK 0%, 0%, 0%, 100% 66.7%, 44.3%, 0.0%, 0.0%
OKLCH 0.0 0.0 0.0 0.6636 0.1782 262.5

Contrast & Accessibility

6.7:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #558EFF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #558EFF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #558EFF);
background: linear-gradient(135deg, #000000, #558EFF);

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