black

#000000

#556CCB

#556CCB

Contrast Ratio

4.39:1

Delta E

73.74

Very Different

50:50 Mix

Color Values

Format #000000 #556CCB
HEX #000000 #556CCB
RGB 0, 0, 0 85, 108, 203
HSL 0.0, 0.0%, 0.0% 228.3, 53.2%, 56.5%
HSV 0.0, 0.0%, 0.0% 228.3, 58.1%, 79.6%
CMYK 0%, 0%, 0%, 100% 58.1%, 46.8%, 0.0%, 20.4%
OKLCH 0.0 0.0 0.0 0.561 0.1486 270.7

Contrast & Accessibility

4.39:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #556CCB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #556CCB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons