black

#000000

#516C71

#516C71

Contrast Ratio

3.73:1

Delta E

44.98

Very Different

50:50 Mix

Color Values

Format #000000 #516C71
HEX #000000 #516C71
RGB 0, 0, 0 81, 108, 113
HSL 0.0, 0.0%, 0.0% 189.4, 16.5%, 38.0%
HSV 0.0, 0.0%, 0.0% 189.4, 28.3%, 44.3%
CMYK 0%, 0%, 0%, 100% 28.3%, 4.4%, 0.0%, 55.7%
OKLCH 0.0 0.0 0.0 0.5118 0.0326 210.2

Contrast & Accessibility

3.73:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #516C71 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #516C71

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #516C71);
background: linear-gradient(135deg, #000000, #516C71);

Explore Each Color

Related Comparisons