black

#000000

#516FCE

#516FCE

Contrast Ratio

4.51:1

Delta E

74.18

Very Different

50:50 Mix

Color Values

Format #000000 #516FCE
HEX #000000 #516FCE
RGB 0, 0, 0 81, 111, 206
HSL 0.0, 0.0%, 0.0% 225.6, 56.1%, 56.3%
HSV 0.0, 0.0%, 0.0% 225.6, 60.7%, 80.8%
CMYK 0%, 0%, 0%, 100% 60.7%, 46.1%, 0.0%, 19.2%
OKLCH 0.0 0.0 0.0 0.5667 0.1502 268.2

Contrast & Accessibility

4.51:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #516FCE → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #516FCE

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #516FCE);
background: linear-gradient(135deg, #000000, #516FCE);

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