black

#000000

#66CFF3

#66CFF3

Contrast Ratio

11.78:1

Delta E

85.34

Very Different

50:50 Mix

Color Values

Format #000000 #66CFF3
HEX #000000 #66CFF3
RGB 0, 0, 0 102, 207, 243
HSL 0.0, 0.0%, 0.0% 195.3, 85.5%, 67.6%
HSV 0.0, 0.0%, 0.0% 195.3, 58.0%, 95.3%
CMYK 0%, 0%, 0%, 100% 58.0%, 14.8%, 0.0%, 4.7%
OKLCH 0.0 0.0 0.0 0.8057 0.1093 223.2

Contrast & Accessibility

11.78:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66CFF3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66CFF3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66CFF3);
background: linear-gradient(135deg, #000000, #66CFF3);

Explore Each Color

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