black

#000000

#509EB1

#509EB1

Contrast Ratio

6.87:1

Delta E

66.1

Very Different

50:50 Mix

Color Values

Format #000000 #509EB1
HEX #000000 #509EB1
RGB 0, 0, 0 80, 158, 177
HSL 0.0, 0.0%, 0.0% 191.8, 38.3%, 50.4%
HSV 0.0, 0.0%, 0.0% 191.8, 54.8%, 69.4%
CMYK 0%, 0%, 0%, 100% 54.8%, 10.7%, 0.0%, 30.6%
OKLCH 0.0 0.0 0.0 0.6571 0.0815 215.7

Contrast & Accessibility

6.87:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #509EB1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #509EB1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #509EB1);
background: linear-gradient(135deg, #000000, #509EB1);

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