black

#000000

#247FDB

#247FDB

Contrast Ratio

5.13:1

Delta E

75.9

Very Different

50:50 Mix

Color Values

Format #000000 #247FDB
HEX #000000 #247FDB
RGB 0, 0, 0 36, 127, 219
HSL 0.0, 0.0%, 0.0% 210.2, 71.8%, 50.0%
HSV 0.0, 0.0%, 0.0% 210.2, 83.6%, 85.9%
CMYK 0%, 0%, 0%, 100% 83.6%, 42.0%, 0.0%, 14.1%
OKLCH 0.0 0.0 0.0 0.5926 0.1627 252.9

Contrast & Accessibility

5.13:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #247FDB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #247FDB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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