black

#000000

#3F87DA

#3F87DA

Contrast Ratio

5.69:1

Delta E

74.2

Very Different

50:50 Mix

Color Values

Format #000000 #3F87DA
HEX #000000 #3F87DA
RGB 0, 0, 0 63, 135, 218
HSL 0.0, 0.0%, 0.0% 212.1, 67.7%, 55.1%
HSV 0.0, 0.0%, 0.0% 212.1, 71.1%, 85.5%
CMYK 0%, 0%, 0%, 100% 71.1%, 38.1%, 0.0%, 14.5%
OKLCH 0.0 0.0 0.0 0.6174 0.1452 253.9

Contrast & Accessibility

5.69:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F87DA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F87DA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F87DA);
background: linear-gradient(135deg, #000000, #3F87DA);

Explore Each Color

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