black

#000000

#428BA9

#428BA9

Contrast Ratio

5.5:1

Delta E

60.6

Very Different

50:50 Mix

Color Values

Format #000000 #428BA9
HEX #000000 #428BA9
RGB 0, 0, 0 66, 139, 169
HSL 0.0, 0.0%, 0.0% 197.5, 43.8%, 46.1%
HSV 0.0, 0.0%, 0.0% 197.5, 60.9%, 66.3%
CMYK 0%, 0%, 0%, 100% 60.9%, 17.8%, 0.0%, 33.7%
OKLCH 0.0 0.0 0.0 0.6025 0.0855 227.7

Contrast & Accessibility

5.5:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #428BA9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #428BA9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #428BA9);
background: linear-gradient(135deg, #000000, #428BA9);

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