black

#000000

#3F91B5

#3F91B5

Contrast Ratio

5.93:1

Delta E

63.92

Very Different

50:50 Mix

Color Values

Format #000000 #3F91B5
HEX #000000 #3F91B5
RGB 0, 0, 0 63, 145, 181
HSL 0.0, 0.0%, 0.0% 198.3, 48.4%, 47.8%
HSV 0.0, 0.0%, 0.0% 198.3, 65.2%, 71.0%
CMYK 0%, 0%, 0%, 100% 65.2%, 19.9%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.6212 0.0957 229.9

Contrast & Accessibility

5.93:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F91B5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F91B5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F91B5);
background: linear-gradient(135deg, #000000, #3F91B5);

Explore Each Color

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