black

#000000

#3F558B

#3F558B

Contrast Ratio

2.88:1

Delta E

49.85

Very Different

50:50 Mix

Color Values

Format #000000 #3F558B
HEX #000000 #3F558B
RGB 0, 0, 0 63, 85, 139
HSL 0.0, 0.0%, 0.0% 222.6, 37.6%, 39.6%
HSV 0.0, 0.0%, 0.0% 222.6, 54.7%, 54.5%
CMYK 0%, 0%, 0%, 100% 54.7%, 38.8%, 0.0%, 45.5%
OKLCH 0.0 0.0 0.0 0.4577 0.0925 266.1

Contrast & Accessibility

2.88:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F558B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F558B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F558B);
background: linear-gradient(135deg, #000000, #3F558B);

Explore Each Color

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