black

#000000

#178EB5

#178EB5

Contrast Ratio

5.57:1

Delta E

64.32

Very Different

50:50 Mix

Color Values

Format #000000 #178EB5
HEX #000000 #178EB5
RGB 0, 0, 0 23, 142, 181
HSL 0.0, 0.0%, 0.0% 194.8, 77.5%, 40.0%
HSV 0.0, 0.0%, 0.0% 194.8, 87.3%, 71.0%
CMYK 0%, 0%, 0%, 100% 87.3%, 21.5%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.6043 0.1117 227.0

Contrast & Accessibility

5.57:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #178EB5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #178EB5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #178EB5);
background: linear-gradient(135deg, #000000, #178EB5);

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