black

#000000

#3F188D

#3F188D

Contrast Ratio

1.73:1

Delta E

76.53

Very Different

50:50 Mix

Color Values

Format #000000 #3F188D
HEX #000000 #3F188D
RGB 0, 0, 0 63, 24, 141
HSL 0.0, 0.0%, 0.0% 260.0, 70.9%, 32.4%
HSV 0.0, 0.0%, 0.0% 260.0, 83.0%, 55.3%
CMYK 0%, 0%, 0%, 100% 55.3%, 83.0%, 0.0%, 44.7%
OKLCH 0.0 0.0 0.0 0.3522 0.1738 289.2

Contrast & Accessibility

1.73:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F188D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F188D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F188D);
background: linear-gradient(135deg, #000000, #3F188D);

Explore Each Color

Related Comparisons