black

#000000

#378BA7

#378BA7

Contrast Ratio

5.41:1

Delta E

60.69

Very Different

50:50 Mix

Color Values

Format #000000 #378BA7
HEX #000000 #378BA7
RGB 0, 0, 0 55, 139, 167
HSL 0.0, 0.0%, 0.0% 195.0, 50.5%, 43.5%
HSV 0.0, 0.0%, 0.0% 195.0, 67.1%, 65.5%
CMYK 0%, 0%, 0%, 100% 67.1%, 16.8%, 0.0%, 34.5%
OKLCH 0.0 0.0 0.0 0.5977 0.0901 223.5

Contrast & Accessibility

5.41:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378BA7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378BA7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378BA7);
background: linear-gradient(135deg, #000000, #378BA7);

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