black

#000000

#378F78

#378F78

Contrast Ratio

5.36:1

Delta E

62.81

Very Different

50:50 Mix

Color Values

Format #000000 #378F78
HEX #000000 #378F78
RGB 0, 0, 0 55, 143, 120
HSL 0.0, 0.0%, 0.0% 164.3, 44.4%, 38.8%
HSV 0.0, 0.0%, 0.0% 164.3, 61.5%, 56.1%
CMYK 0%, 0%, 0%, 100% 61.5%, 0.0%, 16.1%, 43.9%
OKLCH 0.0 0.0 0.0 0.5904 0.0915 172.9

Contrast & Accessibility

5.36:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378F78 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378F78

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378F78);
background: linear-gradient(135deg, #000000, #378F78);

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