black

#000000

#556BC5

#556BC5

Contrast Ratio

4.3:1

Delta E

71.24

Very Different

50:50 Mix

Color Values

Format #000000 #556BC5
HEX #000000 #556BC5
RGB 0, 0, 0 85, 107, 197
HSL 0.0, 0.0%, 0.0% 228.2, 49.1%, 55.3%
HSV 0.0, 0.0%, 0.0% 228.2, 56.9%, 77.3%
CMYK 0%, 0%, 0%, 100% 56.9%, 45.7%, 0.0%, 22.7%
OKLCH 0.0 0.0 0.0 0.5551 0.1414 270.9

Contrast & Accessibility

4.3:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #556BC5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #556BC5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #556BC5);
background: linear-gradient(135deg, #000000, #556BC5);

Explore Each Color

Related Comparisons