black

#000000

#556B71

#556B71

Contrast Ratio

3.73:1

Delta E

44.62

Very Different

50:50 Mix

Color Values

Format #000000 #556B71
HEX #000000 #556B71
RGB 0, 0, 0 85, 107, 113
HSL 0.0, 0.0%, 0.0% 192.9, 14.1%, 38.8%
HSV 0.0, 0.0%, 0.0% 192.9, 24.8%, 44.3%
CMYK 0%, 0%, 0%, 100% 24.8%, 5.3%, 0.0%, 55.7%
OKLCH 0.0 0.0 0.0 0.5122 0.0278 216.2

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: #556B71 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #556B71

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #556B71);
background: linear-gradient(135deg, #000000, #556B71);

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