black

#000000

#428AB7

#428AB7

Contrast Ratio

5.55:1

Delta E

63.18

Very Different

50:50 Mix

Color Values

Format #000000 #428AB7
HEX #000000 #428AB7
RGB 0, 0, 0 66, 138, 183
HSL 0.0, 0.0%, 0.0% 203.1, 47.0%, 48.8%
HSV 0.0, 0.0%, 0.0% 203.1, 63.9%, 71.8%
CMYK 0%, 0%, 0%, 100% 63.9%, 24.6%, 0.0%, 28.2%
OKLCH 0.0 0.0 0.0 0.6066 0.0993 238.8

Contrast & Accessibility

5.55:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #428AB7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #428AB7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #428AB7);
background: linear-gradient(135deg, #000000, #428AB7);

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