black

#000000

#3F57CE

#3F57CE

Contrast Ratio

3.47:1

Delta E

82.56

Very Different

50:50 Mix

Color Values

Format #000000 #3F57CE
HEX #000000 #3F57CE
RGB 0, 0, 0 63, 87, 206
HSL 0.0, 0.0%, 0.0% 229.9, 59.3%, 52.7%
HSV 0.0, 0.0%, 0.0% 229.9, 69.4%, 80.8%
CMYK 0%, 0%, 0%, 100% 69.4%, 57.8%, 0.0%, 19.2%
OKLCH 0.0 0.0 0.0 0.5095 0.1854 269.9

Contrast & Accessibility

3.47:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F57CE → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F57CE

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F57CE);
background: linear-gradient(135deg, #000000, #3F57CE);

Explore Each Color

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