black

#000000

#178DB1

#178DB1

Contrast Ratio

5.48:1

Delta E

63.46

Very Different

50:50 Mix

Color Values

Format #000000 #178DB1
HEX #000000 #178DB1
RGB 0, 0, 0 23, 141, 177
HSL 0.0, 0.0%, 0.0% 194.0, 77.0%, 39.2%
HSV 0.0, 0.0%, 0.0% 194.0, 87.0%, 69.4%
CMYK 0%, 0%, 0%, 100% 87.0%, 20.3%, 0.0%, 30.6%
OKLCH 0.0 0.0 0.0 0.6 0.1089 225.2

Contrast & Accessibility

5.48:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #178DB1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #178DB1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #178DB1);
background: linear-gradient(135deg, #000000, #178DB1);

Explore Each Color

Related Comparisons