black

#000000

#515CBB

#515CBB

Contrast Ratio

3.6:1

Delta E

71.16

Very Different

50:50 Mix

Color Values

Format #000000 #515CBB
HEX #000000 #515CBB
RGB 0, 0, 0 81, 92, 187
HSL 0.0, 0.0%, 0.0% 233.8, 43.8%, 52.5%
HSV 0.0, 0.0%, 0.0% 233.8, 56.7%, 73.3%
CMYK 0%, 0%, 0%, 100% 56.7%, 50.8%, 0.0%, 26.7%
OKLCH 0.0 0.0 0.0 0.5157 0.1481 275.0

Contrast & Accessibility

3.6:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #515CBB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #515CBB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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