black

#000000

#397FA7

#397FA7

Contrast Ratio

4.77:1

Delta E

58.36

Very Different

50:50 Mix

Color Values

Format #000000 #397FA7
HEX #000000 #397FA7
RGB 0, 0, 0 57, 127, 167
HSL 0.0, 0.0%, 0.0% 201.8, 49.1%, 43.9%
HSV 0.0, 0.0%, 0.0% 201.8, 65.9%, 65.5%
CMYK 0%, 0%, 0%, 100% 65.9%, 24.0%, 0.0%, 34.5%
OKLCH 0.0 0.0 0.0 0.5691 0.0933 236.7

Contrast & Accessibility

4.77:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397FA7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397FA7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397FA7);
background: linear-gradient(135deg, #000000, #397FA7);

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