black

#000000

#668C9B

#668C9B

Contrast Ratio

5.79:1

Delta E

58.09

Very Different

50:50 Mix

Color Values

Format #000000 #668C9B
HEX #000000 #668C9B
RGB 0, 0, 0 102, 140, 155
HSL 0.0, 0.0%, 0.0% 197.0, 20.9%, 50.4%
HSV 0.0, 0.0%, 0.0% 197.0, 34.2%, 60.8%
CMYK 0%, 0%, 0%, 100% 34.2%, 9.7%, 0.0%, 39.2%
OKLCH 0.0 0.0 0.0 0.6173 0.0478 224.3

Contrast & Accessibility

5.79:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #668C9B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #668C9B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #668C9B);
background: linear-gradient(135deg, #000000, #668C9B);

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