black

#000000

#515CB0

#515CB0

Contrast Ratio

3.51:1

Delta E

65.74

Very Different

50:50 Mix

Color Values

Format #000000 #515CB0
HEX #000000 #515CB0
RGB 0, 0, 0 81, 92, 176
HSL 0.0, 0.0%, 0.0% 233.1, 37.5%, 50.4%
HSV 0.0, 0.0%, 0.0% 233.1, 54.0%, 69.0%
CMYK 0%, 0%, 0%, 100% 54.0%, 47.7%, 0.0%, 31.0%
OKLCH 0.0 0.0 0.0 0.5082 0.1324 275.1

Contrast & Accessibility

3.51:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #515CB0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #515CB0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #515CB0);
background: linear-gradient(135deg, #000000, #515CB0);

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