black

#000000

#378AE6

#378AE6

Contrast Ratio

5.94:1

Delta E

78.41

Very Different

50:50 Mix

Color Values

Format #000000 #378AE6
HEX #000000 #378AE6
RGB 0, 0, 0 55, 138, 230
HSL 0.0, 0.0%, 0.0% 211.5, 77.8%, 55.9%
HSV 0.0, 0.0%, 0.0% 211.5, 76.1%, 90.2%
CMYK 0%, 0%, 0%, 100% 76.1%, 40.0%, 0.0%, 9.8%
OKLCH 0.0 0.0 0.0 0.6286 0.1599 253.6

Contrast & Accessibility

5.94:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378AE6 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #378AE6

Color Difference (Delta E)

78.41 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, #378AE6);
background: linear-gradient(135deg, #000000, #378AE6);

Explore Each Color

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