black

#000000

#397AA4

#397AA4

Contrast Ratio

4.49:1

Delta E

57.06

Very Different

50:50 Mix

Color Values

Format #000000 #397AA4
HEX #000000 #397AA4
RGB 0, 0, 0 57, 122, 164
HSL 0.0, 0.0%, 0.0% 203.6, 48.4%, 43.3%
HSV 0.0, 0.0%, 0.0% 203.6, 65.2%, 64.3%
CMYK 0%, 0%, 0%, 100% 65.2%, 25.6%, 0.0%, 35.7%
OKLCH 0.0 0.0 0.0 0.5556 0.0931 239.8

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: #397AA4 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397AA4

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397AA4);
background: linear-gradient(135deg, #000000, #397AA4);

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