black

#000000

#397AA3

#397AA3

Contrast Ratio

4.49:1

Delta E

56.82

Very Different

50:50 Mix

Color Values

Format #000000 #397AA3
HEX #000000 #397AA3
RGB 0, 0, 0 57, 122, 163
HSL 0.0, 0.0%, 0.0% 203.2, 48.2%, 43.1%
HSV 0.0, 0.0%, 0.0% 203.2, 65.0%, 63.9%
CMYK 0%, 0%, 0%, 100% 65.0%, 25.2%, 0.0%, 36.1%
OKLCH 0.0 0.0 0.0 0.5551 0.092 239.1

Contrast & Accessibility

4.49:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397AA3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397AA3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397AA3);
background: linear-gradient(135deg, #000000, #397AA3);

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