black

#000000

#183D8F

#183D8F

Contrast Ratio

2.1:1

Delta E

59.73

Very Different

50:50 Mix

Color Values

Format #000000 #183D8F
HEX #000000 #183D8F
RGB 0, 0, 0 24, 61, 143
HSL 0.0, 0.0%, 0.0% 221.3, 71.3%, 32.7%
HSV 0.0, 0.0%, 0.0% 221.3, 83.2%, 56.1%
CMYK 0%, 0%, 0%, 100% 83.2%, 57.3%, 0.0%, 43.9%
OKLCH 0.0 0.0 0.0 0.3875 0.1426 263.1

Contrast & Accessibility

2.1:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #183D8F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #183D8F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #183D8F);
background: linear-gradient(135deg, #000000, #183D8F);

Explore Each Color

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