black

#000000

#3F71B7

#3F71B7

Contrast Ratio

4.26:1

Delta E

63.57

Very Different

50:50 Mix

Color Values

Format #000000 #3F71B7
HEX #000000 #3F71B7
RGB 0, 0, 0 63, 113, 183
HSL 0.0, 0.0%, 0.0% 215.0, 48.8%, 48.2%
HSV 0.0, 0.0%, 0.0% 215.0, 65.6%, 71.8%
CMYK 0%, 0%, 0%, 100% 65.6%, 38.3%, 0.0%, 28.2%
OKLCH 0.0 0.0 0.0 0.5476 0.1225 257.1

Contrast & Accessibility

4.26:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F71B7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F71B7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F71B7);
background: linear-gradient(135deg, #000000, #3F71B7);

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