black

#000000

#378B83

#378B83

Contrast Ratio

5.18:1

Delta E

59.52

Very Different

50:50 Mix

Color Values

Format #000000 #378B83
HEX #000000 #378B83
RGB 0, 0, 0 55, 139, 131
HSL 0.0, 0.0%, 0.0% 174.3, 43.3%, 38.0%
HSV 0.0, 0.0%, 0.0% 174.3, 60.4%, 54.5%
CMYK 0%, 0%, 0%, 100% 60.4%, 0.0%, 5.8%, 45.5%
OKLCH 0.0 0.0 0.0 0.5836 0.0815 186.6

Contrast & Accessibility

5.18:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378B83 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378B83

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378B83);
background: linear-gradient(135deg, #000000, #378B83);

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