black

#000000

#247BB3

#247BB3

Contrast Ratio

4.56:1

Delta E

61.68

Very Different

50:50 Mix

Color Values

Format #000000 #247BB3
HEX #000000 #247BB3
RGB 0, 0, 0 36, 123, 179
HSL 0.0, 0.0%, 0.0% 203.5, 66.5%, 42.2%
HSV 0.0, 0.0%, 0.0% 203.5, 79.9%, 70.2%
CMYK 0%, 0%, 0%, 100% 79.9%, 31.3%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.5594 0.1178 242.2

Contrast & Accessibility

4.56:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #247BB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #247BB3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #247BB3);
background: linear-gradient(135deg, #000000, #247BB3);

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