black

#000000

#178CCE

#178CCE

Contrast Ratio

5.68:1

Delta E

70.09

Very Different

50:50 Mix

Color Values

Format #000000 #178CCE
HEX #000000 #178CCE
RGB 0, 0, 0 23, 140, 206
HSL 0.0, 0.0%, 0.0% 201.6, 79.9%, 44.9%
HSV 0.0, 0.0%, 0.0% 201.6, 88.8%, 80.8%
CMYK 0%, 0%, 0%, 100% 88.8%, 32.0%, 0.0%, 19.2%
OKLCH 0.0 0.0 0.0 0.6125 0.1373 241.3

Contrast & Accessibility

5.68:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #178CCE → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #178CCE

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #178CCE);
background: linear-gradient(135deg, #000000, #178CCE);

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