black

#000000

#428FC9

#428FC9

Contrast Ratio

6.0:1

Delta E

68.19

Very Different

50:50 Mix

Color Values

Format #000000 #428FC9
HEX #000000 #428FC9
RGB 0, 0, 0 66, 143, 201
HSL 0.0, 0.0%, 0.0% 205.8, 55.6%, 52.4%
HSV 0.0, 0.0%, 0.0% 205.8, 67.2%, 78.8%
CMYK 0%, 0%, 0%, 100% 67.2%, 28.9%, 0.0%, 21.2%
OKLCH 0.0 0.0 0.0 0.6273 0.1159 244.0

Contrast & Accessibility

6.0:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #428FC9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #428FC9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #428FC9);
background: linear-gradient(135deg, #000000, #428FC9);

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