black

#000000

#528FCB

#528FCB

Contrast Ratio

6.15:1

Delta E

68.6

Very Different

50:50 Mix

Color Values

Format #000000 #528FCB
HEX #000000 #528FCB
RGB 0, 0, 0 82, 143, 203
HSL 0.0, 0.0%, 0.0% 209.8, 53.8%, 55.9%
HSV 0.0, 0.0%, 0.0% 209.8, 59.6%, 79.6%
CMYK 0%, 0%, 0%, 100% 59.6%, 29.6%, 0.0%, 20.4%
OKLCH 0.0 0.0 0.0 0.6348 0.1109 249.6

Contrast & Accessibility

6.15:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #528FCB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #528FCB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #528FCB);
background: linear-gradient(135deg, #000000, #528FCB);

Explore Each Color

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