black

#000000

#378ACF

#378ACF

Contrast Ratio

5.7:1

Delta E

70.13

Very Different

50:50 Mix

Color Values

Format #000000 #378ACF
HEX #000000 #378ACF
RGB 0, 0, 0 55, 138, 207
HSL 0.0, 0.0%, 0.0% 207.2, 61.3%, 51.4%
HSV 0.0, 0.0%, 0.0% 207.2, 73.4%, 81.2%
CMYK 0%, 0%, 0%, 100% 73.4%, 33.3%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.6153 0.1315 247.3

Contrast & Accessibility

5.7:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378ACF β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #378ACF

Color Difference (Delta E)

70.13 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378ACF);
background: linear-gradient(135deg, #000000, #378ACF);

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