black

#000000

#66C5EC

#66C5EC

Contrast Ratio

10.76:1

Delta E

82.13

Very Different

50:50 Mix

Color Values

Format #000000 #66C5EC
HEX #000000 #66C5EC
RGB 0, 0, 0 102, 197, 236
HSL 0.0, 0.0%, 0.0% 197.5, 77.9%, 66.3%
HSV 0.0, 0.0%, 0.0% 197.5, 56.8%, 92.5%
CMYK 0%, 0%, 0%, 100% 56.8%, 16.5%, 0.0%, 7.5%
OKLCH 0.0 0.0 0.0 0.7803 0.1055 227.3

Contrast & Accessibility

10.76:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66C5EC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66C5EC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66C5EC);
background: linear-gradient(135deg, #000000, #66C5EC);

Explore Each Color

Related Comparisons