black

#000000

#646C76

#646C76

Contrast Ratio

3.95:1

Delta E

45.77

Very Different

50:50 Mix

Color Values

Format #000000 #646C76
HEX #000000 #646C76
RGB 0, 0, 0 100, 108, 118
HSL 0.0, 0.0%, 0.0% 213.3, 8.3%, 42.7%
HSV 0.0, 0.0%, 0.0% 213.3, 15.3%, 46.3%
CMYK 0%, 0%, 0%, 100% 15.3%, 8.5%, 0.0%, 53.7%
OKLCH 0.0 0.0 0.0 0.5279 0.0185 254.0

Contrast & Accessibility

3.95:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #646C76 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #646C76

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #646C76);
background: linear-gradient(135deg, #000000, #646C76);

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