black

#000000

#397FB7

#397FB7

Contrast Ratio

4.89:1

Delta E

62.65

Very Different

50:50 Mix

Color Values

Format #000000 #397FB7
HEX #000000 #397FB7
RGB 0, 0, 0 57, 127, 183
HSL 0.0, 0.0%, 0.0% 206.7, 52.5%, 47.1%
HSV 0.0, 0.0%, 0.0% 206.7, 68.9%, 71.8%
CMYK 0%, 0%, 0%, 100% 68.9%, 30.6%, 0.0%, 28.2%
OKLCH 0.0 0.0 0.0 0.5773 0.1114 245.6

Contrast & Accessibility

4.89:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397FB7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397FB7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397FB7);
background: linear-gradient(135deg, #000000, #397FB7);

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