black

#000000

#3781AC

#3781AC

Contrast Ratio

4.9:1

Delta E

59.81

Very Different

50:50 Mix

Color Values

Format #000000 #3781AC
HEX #000000 #3781AC
RGB 0, 0, 0 55, 129, 172
HSL 0.0, 0.0%, 0.0% 202.1, 51.5%, 44.5%
HSV 0.0, 0.0%, 0.0% 202.1, 68.0%, 67.5%
CMYK 0%, 0%, 0%, 100% 68.0%, 25.0%, 0.0%, 32.5%
OKLCH 0.0 0.0 0.0 0.5757 0.0984 237.5

Contrast & Accessibility

4.9:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3781AC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3781AC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3781AC);
background: linear-gradient(135deg, #000000, #3781AC);

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