black

#000000

#515B8D

#515B8D

Contrast Ratio

3.23:1

Delta E

50.19

Very Different

50:50 Mix

Color Values

Format #000000 #515B8D
HEX #000000 #515B8D
RGB 0, 0, 0 81, 91, 141
HSL 0.0, 0.0%, 0.0% 230.0, 27.0%, 43.5%
HSV 0.0, 0.0%, 0.0% 230.0, 42.6%, 55.3%
CMYK 0%, 0%, 0%, 100% 42.6%, 35.5%, 0.0%, 44.7%
OKLCH 0.0 0.0 0.0 0.4849 0.0814 274.4

Contrast & Accessibility

3.23:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #515B8D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #515B8D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #515B8D);
background: linear-gradient(135deg, #000000, #515B8D);

Explore Each Color

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