black

#000000

#378BA2

#378BA2

Contrast Ratio

5.38:1

Delta E

60.07

Very Different

50:50 Mix

Color Values

Format #000000 #378BA2
HEX #000000 #378BA2
RGB 0, 0, 0 55, 139, 162
HSL 0.0, 0.0%, 0.0% 192.9, 49.3%, 42.5%
HSV 0.0, 0.0%, 0.0% 192.9, 66.0%, 63.5%
CMYK 0%, 0%, 0%, 100% 66.0%, 14.2%, 0.0%, 36.5%
OKLCH 0.0 0.0 0.0 0.5955 0.0868 219.1

Contrast & Accessibility

5.38:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378BA2 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378BA2

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378BA2);
background: linear-gradient(135deg, #000000, #378BA2);

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