black

#000000

#537FB7

#537FB7

Contrast Ratio

5.09:1

Delta E

62.47

Very Different

50:50 Mix

Color Values

Format #000000 #537FB7
HEX #000000 #537FB7
RGB 0, 0, 0 83, 127, 183
HSL 0.0, 0.0%, 0.0% 213.6, 41.0%, 52.2%
HSV 0.0, 0.0%, 0.0% 213.6, 54.6%, 71.8%
CMYK 0%, 0%, 0%, 100% 54.6%, 30.6%, 0.0%, 28.2%
OKLCH 0.0 0.0 0.0 0.589 0.0993 255.0

Contrast & Accessibility

5.09:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #537FB7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #537FB7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #537FB7);
background: linear-gradient(135deg, #000000, #537FB7);

Explore Each Color

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