black

#000000

#287AB3

#287AB3

Contrast Ratio

4.52:1

Delta E

61.63

Very Different

50:50 Mix

Color Values

Format #000000 #287AB3
HEX #000000 #287AB3
RGB 0, 0, 0 40, 122, 179
HSL 0.0, 0.0%, 0.0% 204.6, 63.5%, 42.9%
HSV 0.0, 0.0%, 0.0% 204.6, 77.7%, 70.2%
CMYK 0%, 0%, 0%, 100% 77.7%, 31.8%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.558 0.1173 243.6

Contrast & Accessibility

4.52:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #287AB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #287AB3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #287AB3);
background: linear-gradient(135deg, #000000, #287AB3);

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