black

#000000

#3870CF

#3870CF

Contrast Ratio

4.39:1

Delta E

74.09

Very Different

50:50 Mix

Color Values

Format #000000 #3870CF
HEX #000000 #3870CF
RGB 0, 0, 0 56, 112, 207
HSL 0.0, 0.0%, 0.0% 217.7, 61.1%, 51.6%
HSV 0.0, 0.0%, 0.0% 217.7, 72.9%, 81.2%
CMYK 0%, 0%, 0%, 100% 72.9%, 45.9%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.5577 0.1585 260.3

Contrast & Accessibility

4.39:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3870CF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3870CF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3870CF);
background: linear-gradient(135deg, #000000, #3870CF);

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