black

#000000

#51ACDD

#51ACDD

Contrast Ratio

8.29:1

Delta E

75.5

Very Different

50:50 Mix

Color Values

Format #000000 #51ACDD
HEX #000000 #51ACDD
RGB 0, 0, 0 81, 172, 221
HSL 0.0, 0.0%, 0.0% 201.0, 67.3%, 59.2%
HSV 0.0, 0.0%, 0.0% 201.0, 63.3%, 86.7%
CMYK 0%, 0%, 0%, 100% 63.3%, 22.2%, 0.0%, 13.3%
OKLCH 0.0 0.0 0.0 0.709 0.1122 235.0

Contrast & Accessibility

8.29:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51ACDD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51ACDD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51ACDD);
background: linear-gradient(135deg, #000000, #51ACDD);

Explore Each Color

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