black

#000000

#66B5CF

#66B5CF

Contrast Ratio

9.08:1

Delta E

74.73

Very Different

50:50 Mix

Color Values

Format #000000 #66B5CF
HEX #000000 #66B5CF
RGB 0, 0, 0 102, 181, 207
HSL 0.0, 0.0%, 0.0% 194.9, 52.2%, 60.6%
HSV 0.0, 0.0%, 0.0% 194.9, 50.7%, 81.2%
CMYK 0%, 0%, 0%, 100% 50.7%, 12.6%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.7322 0.0863 221.5

Contrast & Accessibility

9.08:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66B5CF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66B5CF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66B5CF);
background: linear-gradient(135deg, #000000, #66B5CF);

Explore Each Color

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