black

#000000

#516FC7

#516FC7

Contrast Ratio

4.45:1

Delta E

70.99

Very Different

50:50 Mix

Color Values

Format #000000 #516FC7
HEX #000000 #516FC7
RGB 0, 0, 0 81, 111, 199
HSL 0.0, 0.0%, 0.0% 224.7, 51.3%, 54.9%
HSV 0.0, 0.0%, 0.0% 224.7, 59.3%, 78.0%
CMYK 0%, 0%, 0%, 100% 59.3%, 44.2%, 0.0%, 22.0%
OKLCH 0.0 0.0 0.0 0.5622 0.1405 267.6

Contrast & Accessibility

4.45:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #516FC7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #516FC7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #516FC7);
background: linear-gradient(135deg, #000000, #516FC7);

Explore Each Color

Related Comparisons