black

#000000

#515B7F

#515B7F

Contrast Ratio

3.15:1

Delta E

45.02

Very Different

50:50 Mix

Color Values

Format #000000 #515B7F
HEX #000000 #515B7F
RGB 0, 0, 0 81, 91, 127
HSL 0.0, 0.0%, 0.0% 227.0, 22.1%, 40.8%
HSV 0.0, 0.0%, 0.0% 227.0, 36.2%, 49.8%
CMYK 0%, 0%, 0%, 100% 36.2%, 28.3%, 0.0%, 50.2%
OKLCH 0.0 0.0 0.0 0.4776 0.0597 272.0

Contrast & Accessibility

3.15:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #515B7F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #515B7F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #515B7F);
background: linear-gradient(135deg, #000000, #515B7F);

Explore Each Color

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