#666c8d VS #000000

Comparison Report

slategray Color A
Uber Black Color B
Contrast Ratio 4.09:1 Fail (Normal Text)
Difference (Delta E) 0%

Not perceptible by human eyes.

Mixed Color
#343645

Technical Comparison

Metric
slategray
Uber Black
RGB
102, 108, 141
0, 0, 0
HSL
231°, 16%, 48%
0°, 0%, 0%
CMYK
28, 23, 0, 45
0, 0, 0, 100
Brightness
43%
0%