black

#000000

#378FA5

#378FA5

Contrast Ratio

5.63:1

Delta E

61.53

Very Different

50:50 Mix

Color Values

Format #000000 #378FA5
HEX #000000 #378FA5
RGB 0, 0, 0 55, 143, 165
HSL 0.0, 0.0%, 0.0% 192.0, 50.0%, 43.1%
HSV 0.0, 0.0%, 0.0% 192.0, 66.7%, 64.7%
CMYK 0%, 0%, 0%, 100% 66.7%, 13.3%, 0.0%, 35.3%
OKLCH 0.0 0.0 0.0 0.6067 0.0886 217.4

Contrast & Accessibility

5.63:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378FA5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378FA5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378FA5);
background: linear-gradient(135deg, #000000, #378FA5);

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