black

#000000

#42578F

#42578F

Contrast Ratio

2.99:1

Delta E

51.27

Very Different

50:50 Mix

Color Values

Format #000000 #42578F
HEX #000000 #42578F
RGB 0, 0, 0 66, 87, 143
HSL 0.0, 0.0%, 0.0% 223.6, 36.8%, 41.0%
HSV 0.0, 0.0%, 0.0% 223.6, 53.8%, 56.1%
CMYK 0%, 0%, 0%, 100% 53.8%, 39.2%, 0.0%, 43.9%
OKLCH 0.0 0.0 0.0 0.4666 0.0948 267.2

Contrast & Accessibility

2.99:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #42578F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #42578F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #42578F);
background: linear-gradient(135deg, #000000, #42578F);

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