black

#000000

#247AB3

#247AB3

Contrast Ratio

4.51:1

Delta E

61.68

Very Different

50:50 Mix

Color Values

Format #000000 #247AB3
HEX #000000 #247AB3
RGB 0, 0, 0 36, 122, 179
HSL 0.0, 0.0%, 0.0% 203.9, 66.5%, 42.2%
HSV 0.0, 0.0%, 0.0% 203.9, 79.9%, 70.2%
CMYK 0%, 0%, 0%, 100% 79.9%, 31.8%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.557 0.1186 242.9

Contrast & Accessibility

4.51:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #247AB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #247AB3

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, #247AB3);
background: linear-gradient(135deg, #000000, #247AB3);

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