black

#000000

#515CB2

#515CB2

Contrast Ratio

3.52:1

Delta E

66.72

Very Different

50:50 Mix

Color Values

Format #000000 #515CB2
HEX #000000 #515CB2
RGB 0, 0, 0 81, 92, 178
HSL 0.0, 0.0%, 0.0% 233.2, 38.6%, 50.8%
HSV 0.0, 0.0%, 0.0% 233.2, 54.5%, 69.8%
CMYK 0%, 0%, 0%, 100% 54.5%, 48.3%, 0.0%, 30.2%
OKLCH 0.0 0.0 0.0 0.5095 0.1353 275.1

Contrast & Accessibility

3.52:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #515CB2 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #515CB2

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #515CB2);
background: linear-gradient(135deg, #000000, #515CB2);

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