black

#000000

#3F7AB3

#3F7AB3

Contrast Ratio

4.65:1

Delta E

61.35

Very Different

50:50 Mix

Color Values

Format #000000 #3F7AB3
HEX #000000 #3F7AB3
RGB 0, 0, 0 63, 122, 179
HSL 0.0, 0.0%, 0.0% 209.5, 47.9%, 47.5%
HSV 0.0, 0.0%, 0.0% 209.5, 64.8%, 70.2%
CMYK 0%, 0%, 0%, 100% 64.8%, 31.8%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.5659 0.1082 249.6

Contrast & Accessibility

4.65:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F7AB3 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #3F7AB3

Color Difference (Delta E)

61.35 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F7AB3);
background: linear-gradient(135deg, #000000, #3F7AB3);

Explore Each Color

Related Comparisons