black

#000000

#427FBC

#427FBC

Contrast Ratio

4.99:1

Delta E

64.15

Very Different

50:50 Mix

Color Values

Format #000000 #427FBC
HEX #000000 #427FBC
RGB 0, 0, 0 66, 127, 188
HSL 0.0, 0.0%, 0.0% 210.0, 48.0%, 49.8%
HSV 0.0, 0.0%, 0.0% 210.0, 64.9%, 73.7%
CMYK 0%, 0%, 0%, 100% 64.9%, 32.4%, 0.0%, 26.3%
OKLCH 0.0 0.0 0.0 0.5835 0.1137 250.4

Contrast & Accessibility

4.99:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #427FBC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #427FBC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #427FBC);
background: linear-gradient(135deg, #000000, #427FBC);

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