black

#000000

#3F40AC

#3F40AC

Contrast Ratio

2.54:1

Delta E

74.78

Very Different

50:50 Mix

Color Values

Format #000000 #3F40AC
HEX #000000 #3F40AC
RGB 0, 0, 0 63, 64, 172
HSL 0.0, 0.0%, 0.0% 239.4, 46.4%, 46.1%
HSV 0.0, 0.0%, 0.0% 239.4, 63.4%, 67.5%
CMYK 0%, 0%, 0%, 100% 63.4%, 62.8%, 0.0%, 32.5%
OKLCH 0.0 0.0 0.0 0.4391 0.1683 276.5

Contrast & Accessibility

2.54:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F40AC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F40AC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F40AC);
background: linear-gradient(135deg, #000000, #3F40AC);

Explore Each Color

Related Comparisons