black

#000000

#399DB1

#399DB1

Contrast Ratio

6.63:1

Delta E

66.73

Very Different

50:50 Mix

Color Values

Format #000000 #399DB1
HEX #000000 #399DB1
RGB 0, 0, 0 57, 157, 177
HSL 0.0, 0.0%, 0.0% 190.0, 51.3%, 45.9%
HSV 0.0, 0.0%, 0.0% 190.0, 67.8%, 69.4%
CMYK 0%, 0%, 0%, 100% 67.8%, 11.3%, 0.0%, 30.6%
OKLCH 0.0 0.0 0.0 0.6467 0.095 213.5

Contrast & Accessibility

6.63:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #399DB1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #399DB1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #399DB1);
background: linear-gradient(135deg, #000000, #399DB1);

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