black

#000000

#303F9B

#303F9B

Contrast Ratio

2.31:1

Delta E

65.68

Very Different

50:50 Mix

Color Values

Format #000000 #303F9B
HEX #000000 #303F9B
RGB 0, 0, 0 48, 63, 155
HSL 0.0, 0.0%, 0.0% 231.6, 52.7%, 39.8%
HSV 0.0, 0.0%, 0.0% 231.6, 69.0%, 60.8%
CMYK 0%, 0%, 0%, 100% 69.0%, 59.4%, 0.0%, 39.2%
OKLCH 0.0 0.0 0.0 0.413 0.1501 271.2

Contrast & Accessibility

2.31:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #303F9B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #303F9B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #303F9B);
background: linear-gradient(135deg, #000000, #303F9B);

Explore Each Color

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