black

#000000

#515CB5

#515CB5

Contrast Ratio

3.55:1

Delta E

68.19

Very Different

50:50 Mix

Color Values

Format #000000 #515CB5
HEX #000000 #515CB5
RGB 0, 0, 0 81, 92, 181
HSL 0.0, 0.0%, 0.0% 233.4, 40.3%, 51.4%
HSV 0.0, 0.0%, 0.0% 233.4, 55.2%, 71.0%
CMYK 0%, 0%, 0%, 100% 55.2%, 49.2%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.5116 0.1396 275.0

Contrast & Accessibility

3.55:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #515CB5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #515CB5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #515CB5);
background: linear-gradient(135deg, #000000, #515CB5);

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