black

#000000

#51CDF4

#51CDF4

Contrast Ratio

11.39:1

Delta E

85.6

Very Different

50:50 Mix

Color Values

Format #000000 #51CDF4
HEX #000000 #51CDF4
RGB 0, 0, 0 81, 205, 244
HSL 0.0, 0.0%, 0.0% 194.4, 88.1%, 63.7%
HSV 0.0, 0.0%, 0.0% 194.4, 66.8%, 95.7%
CMYK 0%, 0%, 0%, 100% 66.8%, 16.0%, 0.0%, 4.3%
OKLCH 0.0 0.0 0.0 0.7947 0.1211 222.4

Contrast & Accessibility

11.39:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51CDF4 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51CDF4

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51CDF4);
background: linear-gradient(135deg, #000000, #51CDF4);

Explore Each Color

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