black

#000000

#3F79BC

#3F79BC

Contrast Ratio

4.67:1

Delta E

64.54

Very Different

50:50 Mix

Color Values

Format #000000 #3F79BC
HEX #000000 #3F79BC
RGB 0, 0, 0 63, 121, 188
HSL 0.0, 0.0%, 0.0% 212.2, 49.8%, 49.2%
HSV 0.0, 0.0%, 0.0% 212.2, 66.5%, 73.7%
CMYK 0%, 0%, 0%, 100% 66.5%, 35.6%, 0.0%, 26.3%
OKLCH 0.0 0.0 0.0 0.5686 0.1207 253.5

Contrast & Accessibility

4.67:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F79BC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F79BC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F79BC);
background: linear-gradient(135deg, #000000, #3F79BC);

Explore Each Color

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