black

#000000

#397FAB

#397FAB

Contrast Ratio

4.8:1

Delta E

59.31

Very Different

50:50 Mix

Color Values

Format #000000 #397FAB
HEX #000000 #397FAB
RGB 0, 0, 0 57, 127, 171
HSL 0.0, 0.0%, 0.0% 203.2, 50.0%, 44.7%
HSV 0.0, 0.0%, 0.0% 203.2, 66.7%, 67.1%
CMYK 0%, 0%, 0%, 100% 66.7%, 25.7%, 0.0%, 32.9%
OKLCH 0.0 0.0 0.0 0.5711 0.0976 239.3

Contrast & Accessibility

4.8:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397FAB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397FAB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397FAB);
background: linear-gradient(135deg, #000000, #397FAB);

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