black

#000000

#515B9B

#515B9B

Contrast Ratio

3.32:1

Delta E

56.17

Very Different

50:50 Mix

Color Values

Format #000000 #515B9B
HEX #000000 #515B9B
RGB 0, 0, 0 81, 91, 155
HSL 0.0, 0.0%, 0.0% 231.9, 31.4%, 46.3%
HSV 0.0, 0.0%, 0.0% 231.9, 47.7%, 60.8%
CMYK 0%, 0%, 0%, 100% 47.7%, 41.3%, 0.0%, 39.2%
OKLCH 0.0 0.0 0.0 0.4929 0.1028 275.3

Contrast & Accessibility

3.32:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #515B9B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #515B9B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #515B9B);
background: linear-gradient(135deg, #000000, #515B9B);

Explore Each Color

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