black

#000000

#3F599B

#3F599B

Contrast Ratio

3.11:1

Delta E

56.18

Very Different

50:50 Mix

Color Values

Format #000000 #3F599B
HEX #000000 #3F599B
RGB 0, 0, 0 63, 89, 155
HSL 0.0, 0.0%, 0.0% 223.0, 42.2%, 42.7%
HSV 0.0, 0.0%, 0.0% 223.0, 59.4%, 60.8%
CMYK 0%, 0%, 0%, 100% 59.4%, 42.6%, 0.0%, 39.2%
OKLCH 0.0 0.0 0.0 0.4766 0.1112 266.1

Contrast & Accessibility

3.11:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F599B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F599B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F599B);
background: linear-gradient(135deg, #000000, #3F599B);

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