black

#000000

#515BCB

#515BCB

Contrast Ratio

3.71:1

Delta E

79.63

Very Different

50:50 Mix

Color Values

Format #000000 #515BCB
HEX #000000 #515BCB
RGB 0, 0, 0 81, 91, 203
HSL 0.0, 0.0%, 0.0% 235.1, 54.0%, 55.7%
HSV 0.0, 0.0%, 0.0% 235.1, 60.1%, 79.6%
CMYK 0%, 0%, 0%, 100% 60.1%, 55.2%, 0.0%, 20.4%
OKLCH 0.0 0.0 0.0 0.5253 0.1716 275.0

Contrast & Accessibility

3.71:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #515BCB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #515BCB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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